counter for wordpress

Mini XMOS XU208 USB to COAX/OPT/HDMI Audio Converter Digital Interface DSD256

By |July 23rd, 2026|

With micro USB input and TOSLINK optical / coaxial /HDMI 12S output(can output at the same time), can work well with DAC, preamp, amplifier or speaker. Adopting XMOS XU208 chip solution, with 1000MIPS random access memory much higher than U8 (500MIPS), and more stable than Italian Amanero solution and coaxial output supports DSD DOP. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Mini XMOS XU208 USB to COAX/OPT/HDMI Audio Converter Digital Interface DSD256 Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Warm tips: if you want higher versions which use Temperature-compensation Crystal Oscillator / Femtosecond Crystal Oscillator please click: LINK Introduction This is a USB to Toslink optical / coaxial / 12S audio converter, suitable for PC computer, notebook, mobile phone, set-top box, rock 64, raspberry pi and so on, it can provide better sound quality than their own sound card. Features: With USB input and TOSLINK optical / coaxial /HDMI 12S output(can output at the same time), can work well with DAC, preamp, amplifier or speaker. Adopting XMOS XU208 chip solution, with 1000MIPS random access memory much higher than U8 (500MIPS), and more stable than Italian Amanero solution and coaxial output supports DSD DOP. Output interface with DSD ON function can match the decoder that needs DSD ON signal to decode DSD songs, supporting 44.1K-384KHz/16-32 Bit sampling rate and DOP DSD256 at highest, better signal process brings higher sound quality. High-quality components are used to ensure better performance, such as ultra-low noise LDO regulated power supply, LVDS differential chip, gold-plated coaxial interface, OS-CON solid capacitors and Panasonic FC filtering and decoupling capacitors, the contact internal resistance is smaller and the data transmission is more reliable. USB interface can be used as signal input and power input at the same time, and with external DC 5V input (with priority) that can be powered by phone charger or power bank, easy to enjoy HiFi music any time and any where. Mini size with exquisite design, with PCM and DSD indicator easy to show the output format, black aluminum alloy cases look more cool and fashionable, very suitable for desktop audio device to use. Warm tips: I2S output supports all sampling rate while S/PDIF supports 192KHz and DOP DSD64 at highest. Please read the picture of HDMI interface definition of U2 pro to make sure it is compatible with your decoder before placing order. When use external power adapter, please use the USB of computer, power bank or 5V power adapter with voltage stabilization, don't use phone charger which may result in damaged because of transient overvoltage. Please set the volume of operation system to maximum(100) if you want to listen to DSD music. Please note that U2 pro only supports 2.0 channel stereo audio. Parameters Audio input: USB(type-B) Audio output: Toslink Optical / Coaxial / HDMI IIS USB chip: XMOS XU208 Supported sampling rate: PCM: 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz, 384KHz DSD: 2.8MHz(DSD64)-DOP, native / 5.6 MHz (DSD128) -DOP, native / 11.2 MHz (DSD256) , native Bit width(highest): 32 bit (I2S output) / 24 bit (S/PDIF), compatible with 16bit Working current: 130mA Dimensions(W*D*H): 74*89*21mm / 2.91*3.50*0.83in Net weight:112g/ 0.25lb Package weight: 280g / 0.62lb System Compatibility 1. 32/64 bit Win 7, Win 8 and Win 10 systems need to install driver, please enter website: https://drive.google.com/drive/folders/1ZjWBDD5Te-a8O64fCstuOKIwGRo766wD?usp=sharing to download and install. 2. Native ac OS 10.6 and above, can use the system's own driver. And Native Linux with UAC2 compliant kernel also can use the system's own driver.(Has tested on Ubuntu and Daphile systems, based on INTEL X86) 3. In general, USB input default supports Android 5.0 system while Android 4.2 and above need phones with OTG function. Recommend to use Hiby player to play DSD music. OTG cable (for Android system) or camera kit (for IOS system) need to prepare by youself. Packing List 1*U2 PRO Converter 1*USB Cable 1*USB to DC Cable 1*Driver CD Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

HIFI MM Phono Preamp for Home Turntables Stereo Preamp Headphone Amp w/VU Meter

By |July 23rd, 2026|

T13 is a preamp with Stereo RCA and Phono(MM) inputs, compatible with most audio devices such as turntables, phones, computers, CD players, etc. to satisfy different demands. Stereo RCA output greatly improves the sound quality for amplifiers or active speakers, adds a 3.5mm headphone jack to easily drive all 16-300Ω headphones. Customized full-color VU meters, the color and brightness of backlight can be adjusted steplessly and freely; with built-in professional VU meter driver chip makes the pointer dancing more accurately, dynamically decorates the audio system and brings different enjoyment even in limited space. Better display and clean sound: AGC algorithm achieves ideal visual effects and avoids no display when input low signal and displays in full screen when input high; adds built Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! HIFI MM Phono Preamp for Home Turntables Stereo Preamp Headphone Amp w/VU Meter Item description Warm Tips 1. Without DC 5V power adapter, please prepare it by yourself. 2. Headphone output with priority, please make sure the headphone has been disconnected if want RCA output. 3. VU meter displays the level of input source, and adjusting the volume of T13 will not change the VU swing range. Features T13 is a preamp with Stereo RCA and Phono(MM) inputs, compatible with most audio devices such as turntables, phones, computers, CD players, etc. to satisfy different demands. Stereo RCA output greatly improves the sound quality for amplifiers or active speakers, adds a 3.5mm headphone jack to easily drive all 16-300Ω headphones. Customized full-color VU meters, the color and brightness of backlight can be adjusted steplessly and freely; with built-in professional VU meter driver chip makes the pointer dancing more accurately, dynamically decorates the audio system and brings different enjoyment even in limited space. Better display and clean sound: AGC algorithm achieves ideal visual effects and avoids no display when input low signal and displays in full screen when input high; adds built-in 100K high-impedance input and power isolation circuits, no common ground noise even sharing the power with audio players, ensure the purity of sound source. Exquisite appearance and easy use: all aluminum CNC machined panel and gold-plated RCA terminals with longer service life, and durable adjustment knobs; powered by USB 5V, can be powered by power bank, phone charger, computer etc.,very suitable for home/office desktop audio system use to get better listening pleasure. Parameters Audio input: Stereo RCA / Phono MM Audio output: Stereo RCA / 3.5mm Headphone jack Input level: RCA: 0.775V RMS Phono: 0.005V RMS Frequency response: RCA: 20Hz-20KHz (±0.5dB) Phono: Ref to RIAA ±2dB Output level: RCA: 1.5V RMSPhono: 0.6V RMS S/N ratio: RCA: ≥106dBPhono: ≥80dB Headphone output power: 250mW @32Ω100mW @64Ω60mW @128Ω Headphone impedance range: 16-300Ω THD: ≤0.1% VU meter color: multi-color for choice Backlight level adjustable: Support Save set-up: Support Working voltage: DC 5V(≥0.6A) Dimensions(W*D*): 178*118*55mm / 7*4.65*2.17in Package dimensions(W*D*H): 235*180*90mm / 9.25*7.09*3.54in Net weight: 730g/1.61lb Package weight: 1000g/2.20lb Packing List 1×T13 Preamp 1×USB Cable (Type-C) 1×Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

HIFI Bluetooth 5-Band EQ Equalizer Stereo Audio Preamp Speaker Receiver VU Meter

By |July 23rd, 2026|

5-band EQ equalizer and preamp: separate and rich frequency band controls (100Hz / 400Hz / 800Hz / 4KHz /10KHz ), each band is processed by one op amp independently. EQ5-PRO can compensate for the defects of speakers and sound field by adjusting 5-band high, middle and low frequencies, and modify various sound sources.  Vintage VU meter and Bluetooth input: with dual large VU meters (45mm), driven by a dedicated VU driver chip to show the level of audio signal accurately in real-time, dynamically decorate audio environment and provide incomparably visual effects. Add bluetooth 5.0 input, convenient for you to enjoy HIFI music via wireless connection. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! HIFI Bluetooth 5-Band EQ Equalizer Stereo Audio Preamp Speaker Receiver VU Meter Item description Features 5-band EQ equalizer and preamp: separate and rich frequency band controls (100Hz / 400Hz / 800Hz / 4KHz /10KHz ), each band is processed by one op amp independently. EQ5-PRO can compensate for the defects of speakers and sound field by adjusting 5-band high, middle and low frequencies, and modify various sound sources. Vintage VU meter and Bluetooth input: with dual large VU meters (45mm), driven by a dedicated VU driver chip to show the level of audio signal accurately in real-time, dynamically decorate audio environment and provide incomparably visual effects. Add bluetooth 5.0 input, convenient for you to enjoy HIFI music via wireless connection. Bypass design and balance adjustment: with bypass mode to turn off EQ preamplification, the audio signal will output from IN to OUT directly without any processing, convenient to enjoy original sound. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position. Attractive looking and powerful design: all metal case and aluminum knurled knob with good shielding performance, all I/O interfaces are gold-plated to ensure the smooth transmission of the original audio signal to minimizes the loss of the signal. Mini size and powered by DC 5V, easy to carry and convenient to use in most scenarios. Warm tips: 1. Without power adapter, and EQ5 needs to be powered by separate USB power supply, don't use the USB port of computers or share the power supply with audio source, otherwise common ground noise will be caused.2. Stereo RCA and 3.5mm AUX input are in parallel, two inputs and outputs will work simultaneously, so please don't connect RCA and 3.5mm AUX input at the same time avoid signal mixing.3. EQ5-PRO can input and output audio signal without power supply in bypass mode, but the signal without any preamplification, the VU meters also don't work. Parameters Audio input: Bluetooth / stereo RCA / 3.5mm AUX Audio output: stereo RCA / 3.5mm AUX Gain: ±5dB EQ Bands:100Hz / 400Hz / 800Hz / 4KHz /10KHz Bypass function: support Balance adjustment of L/R channel: support Input impedance: 50KΩ Output impedance: 15Ω Frequency response: 5Hz-20KHz THD: 0.003%@1KHz Working voltage: DC 5V (≥500mA) Power interface: USB (type-C) Diameter of VU meter: 45mm Dimensions(W*D*H): 164*108*82mm / 6.46*4.25*3.23in Package dimensions(W*D*H): 210*185*100mm / 8.27*7.28*3.94in Net weight: 730g / 1.61lb Package weight: 1.0kg / 2.20lb Packing List 1*EQ5-PRO Equalizer 1*USB Cable (type-C) 1*User Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Compact 2 Zone Amplifier/Speaker Selector Stereo Audio Switcher Box with Remote

By |July 23rd, 2026|

2-way amplifier/speaker selector: Both working modes (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel select button, convenient to compare the sound quality of 2 pairs of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio devices: Support doing comparisons between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. User-friendly design for easy use: Designed with remote control to operate from the distance; add LED display screen and channel indicators, much clearer to show the working status in real time. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Compact 2 Zone Amplifier/Speaker Selector Stereo Audio Switcher Box with Remote Item description The difference between SP102 and SP102 PRO: Model SP102 SP102 PRO Output at the same time × √ LED Display screen × √ Remote Control × √ Features 2-way amplifier/speaker selector: Both working modes (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel select button, convenient to compare the sound quality of 2 pairs of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio devices: Support doing comparisons between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. User-friendly design for easy use: Designed with remote control to operate from the distance; add LED display screen and channel indicators, much clearer to show the working status in real time. Powered by DC5V USB(Type-c), very convenient to use in different occasions. Simple design but pure function: All channels adopt fully isolation design without mutual interference. A/B channel with built-in protective load; proper size with simple appearance, fashionable and durable, matches well with your audio equipment. Warm Tips SP102 PRO: 1. Channel 1/2 can work at the same time. It is recommended to use this function in 1-IN-2-OUT mode, that means connect one amplifier and two pairs of speakers. Amplifiers may be damaged if use Channel 1/2 input at the same time. 2.In OFF state, default disconnect 1&2 terminals from I/O interface, it is equivalent to mute. And 1 and 2 will be connected to the built-in load protection at the same time. 3.Without DC 5V power adapter, please preapre it by yourself. 4.For safer and faster delivery, the remote control without batteries(2*AAA), please prepare it by yourself. SP102: 1. Only 1 group of amplifier input or 1 group of speaker output at a time, not support 2 groups of them working in parallel at the same time; 2. When the toggle switch in OFF position, the connection between A&B channels and I/O channel will be disconnected, equivalent to mute, no sound will output. Parameters Model SP102 SP102 PRO Audio input/output 2 groups of stereo 1/2, 1 group of I/O Interface type banana speaker jacks Working mode 2-IN-1-OUT / 1-IN-2-OUT Amplifier type supported all kinds of type (BTL /Class A /Class AB /Class B / Class D digital amp / tube amp etc.) Max. through power of each channel 200W (in actual) Amplifier no-load protection support Mute support Settings saved after shutdown / support Remote control / support Working voltage / DC 5V (Type-C) Dimensions(W*D*H) 242*108*33mm / 9.53*4.25*1.30in Net weight 720g / 1.59lb Package weight 1000g / 2.20lb Packing List SP102-PRO 1*SP102-PRO Switcher 1*Type-C Cable 1*Remote Control(without 2*AAA1.5V batteries) SP102 1*SP102 Switcher 1*User Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Passive 2 Way Stereo Amplifier / Speaker Switcher Box HIFI Home Audio Selector

By |July 23rd, 2026|

2-way amplifier/speaker selector: both working mode (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel toggle switch, convenient to compare the sound quality of 2 pair of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio device: support doing comparison between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. Purely mechanical passive circuit: no power supply is required, no loss of input and output signals during transmission, and no audio rendering or electromagnetic interference, providing HiFi lossless audio without distortion. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Passive 2 Way Stereo Amplifier / Speaker Switcher Box HIFI Home Audio Selector Item description Features 2-way amplifier/speaker selector: both working mode (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel toggle switch, convenient to compare the sound quality of 2 pair of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio device: support doing comparison between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. Purely mechanical passive circuit: no power supply is required, no loss of input and output signals during transmission, and no audio rendering or electromagnetic interference, providing HiFi lossless audio without distortion. Simple design but pure function: all channels adopt fully isolation design without mutual interference. A/B channel with built-in protective load; proper size with simple appearance, fashionable and durable, match well with your audio equippments. Warm Tips: 1. Only 1 group of amplifier input or 1 group of speaker output at a time, not support 2 groups of them working in parallel at the same time;2. When the toggle switch in OFF position, the connection between A&B channels and I/O channel will be disconnected, equivalent to mute, no sound will output. Parameters Audio Interface: banana speaker jacks Number of channels: 2 groups of A/B, 1 group of I/O Mute: support Working methods: 1-IN-2-OUT / 2-IN-1-OUT Power(max) support: 200W each channel Types of amplifier supported: all types (BTL, class A, class B, class D etc.) Dimensions(W*D*H): 242*108*33mm / 9.53*4.25*1.30in Net weight: 720g / 1.59lb Package weight: 1000g / 2.20lb Packing List 1*SP102 Switcher 1*User Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Bluetooth 5.0 Audio Receiver Wireless Adapter with USB SD Music Player FM Radio

By |July 23rd, 2026|

With 6 kinds of audio input (Bluetooth 5.0 / USB & U-disk / stereo RCA / AUX / SD card / FM radio) and 2 kinds of audio output (stereo RCA / 3.5mm headphone jack), compatible with different audio devices and such as phone, computer, CD player, Echo Dot and so on. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Bluetooth 5.0 Audio Receiver Wireless Adapter with USB SD Music Player FM Radio Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Features With 6 kinds of audio input (Bluetooth 5.0 / USB & U-disk / stereo RCA / AUX / SD card / FM radio) and 2 kinds of audio output (stereo RCA / 3.5mm headphone jack), compatible with different audio devices and such as phone, computer, CD player, Echo Dot and so on. Can be used as a Bluetooth or USB DAC, a preamp, a headphone amp and a FM radio, but also as a digital music player, supporting lossless format such as APE, FLAC, WAV, MP3, WMA, DTS etc, providing HiFi listening experience. Op amp circuit adopting NE5532 chip, with strong drive power, better sound quality and warm sound listening. Noise reduction circuit is specially designed to upgrade the sound and make no background noise. Mini size and simple design but with powerful function, blue digital display looks more attractive, equipped with remote control, very convenient to use. Powered by micro-USB, it can be used in the car, bringing listening pleasure during the journey. Parameters Audio Input: Bluetooth, USB, SD card, AUX, stereo RCA, FM radio Audio output: stereo RCA, 3.5mm headphone jack U-disk/SD card supported format: APE, FLAC, WAV, MP3, WMA, DTS FM band: 87.5-108MHz Working voltage: DC 5V Power interface: Type-C Chassis material: aluminum alloy Dimensions(W*L*H): 92*108*38mm / 3.62*4.25*1.49in Net weight: 256g / 0.56lb Package weight: 410g / 0.90lb Package Includes 1 x Audio Player 1 x Remote Control(without battery) 1 x Bluetooth Antenna 1 x FM Antenna 1 x USB Cable Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Douk Audio DAC-T1 Pro Tube Preamp with Bluetooth USB DAC COAX/OPT D/A Converter

By |July 23rd, 2026|

Amazing combination in appearance and functions: integrated DAC-T1-PRO DAC with retro tubes and modern OLED display into a whole, keep both strong vintage feelings and convenient use. Even in limited space, warm filament dynamically decorates the audio system and give you a wonderful acoustic enjoyment with large dynamic and sweet sound. With multiple audio inputs and outputs: Bluetooth / PC-USB / coaxial / optical / RCA inputs, compatible with most audio sources such as phone, tablet, computer, digital player etc. With stereo RCA and 3.5mm headphone jack outputs, can connect different amplifier / active speaker / headphones, HiFi music can be easily enjoyed. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Hifi-Amplifier Tube Amplifier Preamp Headphone Amplifier DAC Audio Selector Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Hifi-Amplifier Mono Amplifier 2.0 Channel Amplifier 2.1 Channel Amplifier 4.0 Channel Amplifier 5.1 Channel Amplifier Tube Amplifier Preamp Headphone Amplifier DAC Audio Selector Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Douk Audio DAC-T1 Pro Tube Preamp with Bluetooth USB DAC COAX/OPT D/A Converter Item description Shipping from USA Warehouse, 1-6 Working days to most US regions. Features Amazing combination in appearance and functions: integrated DAC-T1-PRO DAC with retro tubes and modern OLED display into a whole, keep both strong vintage feelings and convenient use. Even in limited space, warm filament dynamically decorates the audio system and give you a wonderful acoustic enjoyment with large dynamic and sweet sound. With multiple audio inputs and outputs: Bluetooth / PC-USB / coaxial / optical / RCA inputs, compatible with most audio sources such as phone, tablet, computer, digital player etc. With stereo RCA and 3.5mm headphone jack outputs, can connect different amplifier / active speaker / headphones, HiFi music can be easily enjoyed. Imported JAN5654 tubes and vintage warm sound: comes with JAN5654 tubes, greatly improves everything associated with your music, sounds soft and delicate, dynamic and pleasing. Easy to compare the difference between digital sound and tube sound via bypass function. Pluggable tube socket design, upgrade to 6*1N, 6AK5, EF95 etc. to enjoy tube sound of different styles. Complete design and perfect details: support treble and bass control, easy adjust one's own preferable sound styles. Besides large OLED display to indicate working status, also with full function remote control to achieve all settings. Powerful function with attractive appearance, very suitable for the audiophiles who pursue HiFi sound in limited space. High-end materials and unique structure are adopted to ensure better performance: QCC5125 Bluetooth chip, supports ACC/SBC/APTX/APTX-HD/LDAC, achieves further distance and lossless signal transmission without delay. ESS9028Q2M independent DAC chip, OPA1656 op amp, NJW1194 digital tone control chip, with larger dynamic range, lower distortion and higher resolution. 9123 USB chip with special driver, support 24Bit/192Khz transmission to improve the sound quality. Classic headphone amp architecture (2*NE5532), provide larger output power enough to drive 300Ω headphones. Parameters Chip architecture: QCC5125 (Bluetooth chip) + 9123 (USB chip) +ESS9028Q2M (DAC chip) + NE5532 (amp) Audio input: Bluetooth / PC-USB / Coaxial / Optical / Stereo RCA Audio output: Stereo RCA / 3.5mm headphone jack Bluetooth version: 5.0 (support APTX /APTX-HD / LDAC) Sampling rate supported: PC-USB: 24bit / 192KHz Coaxial / Optical: 24bit / 192KHz PC-USB operation system supported: W7/W8/W10/MAC/Linux Frequency response: 20Hz-20KHz (±0.5dB) THD: 0.08% S/N ratio: ≥110dB Treble / Bass control: ± 6db Matched headphone impedance: 16-300Ω Headphone output power: 150mW Output level: 2.4Vrms Working voltage: DC 12V Dimensions(W*D*H): 185*128*41mm / 7.28*5.04*1.61in Net weight: 622g / 1.37lb Package weight: 1.1kg / 2.43lb Warm tips: 1. For safer and faster delivery, the remote control may not include batteries (2*AAA), please prepare it by yourself. 2. 3.5mm headphone jack output is prior, stereo RCA output will auto disconnect when headphone is inserted. 3. PC-USB (systems below win10) input need special driver to get 24Bit/192KHz transmission, please contact us for it when you receive DAC-T1 PRO. It also supports OTG functions, but Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself. Packing List 1*DAC-T1 PRO DAC 2*5654 Vacuum Tube 1*DC 12V Power Adapter 1*USB Cable 1*Optical Cable 1*Bluetooth Antenna 1*Remote Control (without batteries) 1*User Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

HiFi USB DAC with ESS9038Q2M AK4493 Digital to Analog Audio Converter DSD256

By |July 23rd, 2026|

Switchable dual DAC chips: Pioneering the world's first DAC chip switching technology, backed by a proprietary patent, adopts 2pcs of DAC chips – ESS9038Q2M and AK4493. The groundbreaking design enables users to enjoy the robust dynamics of the ESS9038Q2M or the refined tones of the AK4493, vastly enhancing personalized audio experiences and pioneering new frontiers in the HiFi realm.  Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! HiFi USB DAC with ESS9038Q2M AK4493 Digital to Analog Audio Converter DSD256 Item description Warm tips: 1. For safer and faster delivery, the remote control may not include batteries (2*AAA), please prepare it by yourself. 2. For Win7, PC-USB can only be recognized when the driver is installed. For other systems, the driver is only required when playing DSD files. 3. 2 groups of Stereo RCA and 3.5mm AUX output can work at the same time, and the volume of the outputs is controlled simultaneously. 4. There are 3 working modes with 2 different sound effects, supporting simultaneous output of AK4493 or ESS9038Q2M to groups 1 and 2, or AK4493 output to group 1 and ESS9038Q2M output to group 2. Features Switchable dual DAC chips: Pioneering the world's first DAC chip switching technology, backed by a proprietary patent, you'll find not one but two DAC chips running the show– ESS9038Q2M and AK4493. The groundbreaking design enables users to switch the robust dynamics of the ESS9038Q2M or the refined tones of the AK4493, vastly enhancing personalized audio experiences and pioneering new frontiers in the HiFi realm. High-performance: Offering an exceptional SNR (≥117dB) and ultra-low THD of 0.0003%, ensuring the high-quality conversion of audio signals. PC-USB input supports 32Bit/384kHz transmission and DSD256 playback, suitable for users who pursue ultimate sound quality. Multiple inputs and outputs: Support Optical, Coaxial, and PC-USB inputs, compatible with audio sources such as mobile phones, computers, and digital players. With 2 sets of RCA and 2 sets of AUX outputs, providing users with a wide range of connection options, facilitating integration with various audio sources and playback devices, and adapting to different usage scenarios. Dual OLED display & Large volume knob: 2 PCS of OLED screens can display real-time sampling rates, volume levels, and decoding chip statuses, enhancing user convenience. Designed with an easy-to-use large-sized volume control knob, ensuring that users can make delicate and precise volume adjustments to meet personalized listening preferences. Exquisite and charming appearance: The top is designed with a glass window, showcasing the internal structure and augmenting visual effects. Equipped with remote control for easier operation; adopting CNC technology for integrated molding, combined with anodizing process treatment, meets modern aesthetics and a commitment to premium quality. Parameters Audio input: PC-USB / Coaxial / Optical Audio output: 2 groups of Stereo RCA / 2 groups of AUX DAC chips: ESS9038Q2M+AK4493 Max sampling rate supported: PC-USB: PCM 32bit / 384KHz DSD256 Coaxial / Optical: 24bit / 192KHz PC-USB operation system supported: W7/W8/W10/MAC/Linux Frequency response: 20Hz-20KHz (±0.3dB) THD+N: 0.0003%@1kHz SNR: ≥117dB Rated output level: AK4493:1.8V ESS9038Q2M:2V Working voltage: DC 12V≥1.5A Dimensions(W*D*H): 155*125*42mm / 6.10*4.92*1.65in Net weight: 590 / 1.30lb Package weight: 1.10kg / 2.43lb Packing List 1*DAC-Q11 1*DC12V Power Adapter 1*USB Cable 1*Optical Cable 1*Remote Control (without batteries) 1*User Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Douk Audio Hybrid Stereo Tube Integrated Amplifier with Bluetooth USB COAX OPT

By |July 23rd, 2026|

With 5 kinds of analog and digital audio input (Bluetooth 5.0 / USB / Coaxial / Optical / 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music. Besides speaker output (4/6/8Ω), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style. Integrated design of vacuum tubes and transistors, using 6U1/6A2/WY-3P tube for pre-amplificatoin, WY3P tube for recti Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items US WareHouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items US WareHouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Processor Audio Adapter / Converter Audio Splitter & Switcher Music Spectrum & Clock Audio Player & Turntable Parts Audio Board & DIY Kit Radio Communication Audio Accessories Other Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Douk Audio Hybrid Stereo Tube Integrated Amplifier with Bluetooth USB COAX OPT Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Warm tips: Only in the condition of large dynamic music and much bass effect the VU meter will work. Features With 5 kinds of analog and digital audio input (Bluetooth 5.0 / USB / Coaxial / Optical / 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music. Besides speaker output (4/6/8Ω), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style. Integrated design of vacuum tubes and transistors, using 6U1/6A2/6H2 tube for pre-amplificatoin, WY3P tube for rectification, the sound is clear, warm, smooth and delicate. And using 4PCS Toshiba 5200 and 4PCS 1943 transistors for power amplification, dual toroidal transformers is added that can stably output max 160W in each channel, easily to drive all home passive speakers. Unique design and attractive appearance, exquisite black panel and retro vacuum tube are combined that looks luxurious and elegant. With dual VU meter to dynamically to decorate the listening enjoyment, and display screen can show the working status in real time, very suitable for home and desktop audio system use. Parameters Audio input: Bluetooth / 2 groups of RCA / USB(U-disk) / Coaxial / Optical Audio output: speaker jack / low frequency output (connect active subwoofer) U-disk supported sampling rate: 16Bit/48KHz U-disk supported formats: MP3/WAV/APE/FLAC U-disk max storage capacity: 64G Bluetooth version: 5.0 Rated output power: 80W+80W Frequency response: 20HZ-20KHZ(±2dB) Input impedance: 47KΩ Output impedance: 4Ω/6Ω/8Ω Treble and Bass range: ±10dB Signal to noise ratio: ≥80DB THD: ≤0.5%(1KHz) Dimensions(W*D*H): 330*315*160mm / 12.99*12.44*6.30in Package dimensions(W*D*H): 380*350*210mm/ 14.96*13.78*8.30in Net weight: 7.16kg / 15.79lb Package weight: 9.0kg / 19.84lb Packing List 1*Tube Amplifier 1*Power Cord Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

HiFi 4-way Stereo Audio Switcher Box Preamp Analog RCA Splitter w/Volume Control

By |July 23rd, 2026|

4-way(1-in-4 output) audio splitter, 4 channel can output at the same time, convenient for users to do contrasts among headphone, power amplifier and active speakers etc, each channel with independent volume control, easy to adjust proper volume for different audio devices. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface Audio Board & DIY Kit Audio Splitter/Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! HiFi 4-way Stereo Audio Switcher Box Preamp Analog RCA Splitter w/Volume Control Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Features 4-way(1-in-4 output) audio splitter, 4 channel can output at the same time, convenient for users to do contrasts among headphone, power amplifier and active speakers etc, each channel with independent volume control, easy to adjust proper volume for different audio devices. With gain adjustment, can add electrical level and volume for the devices with low level output. Adopting power supply to control the potentiometers, for better sound quality and less interference. Built-in MCU control circuit, no noise and deadly quiet when turn on/off the audio splitter, perfectly avoid "Boom" impact sound when power on / off. Each channel adopts 1PC NE5532 op amp to process independently without any interference. Gold-plated op amp sockets are designed, convenient for audiophiles to change different op amps as they like, the service voltage of op amp is ± 12V for better performance. High-quality components are used to ensure HiFi sound and longer time service life, such as Japan Nippon Chemi-con solid-state filter capacitor, stepless audio coupling capacitor, TK audio audio coupling, gold-plated RCA sockets with good contact etc. Parameters Audio input: stereo L/R RCA Audio output: 4 groups of stereo L/R RCA Frequency response: 20-20kHz (±0.1dB) Distortion: 0.0001% Gain adjustment: ±10db Working voltage: DC 12V (above 1A) Dimensions(W*D*H): 115*107*33mm / 4.53*4.21*1.30in Net weight: 365g / 0.80lb Package weight: 670g / 1.48lb Packing List 1*Audio Splitter 1*12V/5A Power Supply Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us