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DC 24V4A/24V6A/32V5A/36V6A/48V5A/48V10A Power Supply AC 100-240V Transformer

By |July 23rd, 2026|

Surging Power & Exceptional Efficiency: compared to traditional silicon-based power supplies, boasts less energy loss and higher conversion efficiency, consistently output 96W power. specially designed for Douk Audio / Nobsound digital amplifiers, ensures a pure and robust high-fidelity audio experience. Universal Use & Compatibility: Universal wide input voltage of AC 100V-240V 50/60Hz, good adaptability, also widely used to drive LCD LED Monitor, HDTV, 3D Widescreen, Bluetooth Speaker, Printers etc. 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 ! DC 24V4A/24V6A/32V5A/36V6A/48V5A/48V10A Power Supply AC 100-240V Transformer Item description Features Surging Power & Exceptional Efficiency: compared to traditional silicon-based power supplies, boasts less energy loss and higher conversion efficiency, consistently output 96W power. specially designed for Douk Audio / Nobsound digital amplifiers, ensures a pure and robust high-fidelity audio experience. Universal Use & Compatibility: Universal wide input voltage of AC 100V-240V 50/60Hz, good adaptability, also widely used to drive LCD LED Monitor, HDTV, 3D Widescreen, Bluetooth Speaker, Printers etc. Exquisite Craftsmanship: DC plug size is 5.5mm × 2.5mm and the polarity is inside positive "+", outside negative"-", guarantees plug-and-play compatibility. With premium components, it facilitates high-power transmission, energy efficiency, and perfectly complements high-performance amplifiers. Safe & Durable: Certified by FCC, CE, RoHS etc. Adopting the industry's high-end materials and processes, with overcurrent protection, overvoltage protection and overload protection, short-circuit protection, no need to worry about any fires explosions or shocks, thereby safeguarding your devices and home safety. Warm tips: Indoor use only, please keep it away from water and fire. Parameters 24V4A 24V6A 32V5A 36V6A 48V5A 48V10A Input voltage AC 100~240V 50/60Hz DC Plug Size 5.5mm×2.5mm Plug type US/EU/UK/AU (optional) Polarity internal "+", outside"-" Safety Compliance FCC/CE/RoHS Power Cord Length 150cm / 59.06in Output voltage DC 24V DC24V DC 32V DC36V DC48V DC48V Output current 4A 6A 5A 6A 5A 10A Power Supply Size 123*49*31mm / 4.84*1.93*1.22in 123*49*31mm / 4.84*1.93*1.22in 138*59*30mm / 5.43*2.32*1.18in 140*62*34mm / 5.51*2.44*1.34in 170*78*38mm / 6.69*3.07*1.50in 207*91*43mm / 8.15*3.58*1.69in Net weight 303g / 0.67lb 427g / 0.94lb 427g / 0.94lb 498g / 1.10lb 698g / 1.52lb 1.10kg / 2.43lb Package weight 400g / 0.88lb 500g / 1.10lb 500g / 1.10lb 600g / 1.32lb 800g / 1.76lb 1.30kg / 2.87lb Packing List 1 × DC Power Adapter(optional) 1 × US/EU/UK/AU Power Cord (optional) Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 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

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 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

Ampapa Q1 Bluetooth USB DAC w/ ESS9039+AK4493 Chip, XMOS XU316, VU Meters

By |July 23rd, 2026|

Next-Gen DAC Performance: A fully upgraded successor to the Douk Audio DAC-Q11, the Q1 retains its signature dual-DAC design while improving every core spec with cutting-edge ESS9039, AK4493, XMOS XU316, Bluetooth 5.2 and vivid OLED display. High-res support up to PCM 768kHz/32bit and DSD512 delivers studio-level clarity. Dual DAC Architecture: Easily switch between ESS9039 for clean, analytical sound or AK4493 for smoother musicality. Assign your preferred DAC chip and filter mode to each LINE and headphone output, tailoring sound to different genres, gear, or moods. SINAD ≥113dB, THD+N as low as 0.0002%, ensuring clean, distortion-free audio. .

NEW 17ft SVGA 15pin VGA Male Extension Shield Cable Monitor PC TV Cord Black

By |July 23rd, 2026|

Premium VGA to VGA Cable | High-Resolution Monitor Display Extension Cord (Male to Male). Interface VGA Male to Male. TeKswamp Premium VGA Cable. This premium D-Sub 15-pin VGA cable is heavily shielded and built to prevent signal degradation and cross-talk over long distances.

Douk Audio GaN 480W DC 48V10A Power Supply Adapter for Amplifier/Speaker/Monitor

By |July 22nd, 2026|

Surging Power & Exceptional Efficiency: BK-1025AP GaN power adapter, compared to traditional silicon-based power supplies, boasts less energy loss and higher conversion efficiency, consistently output 96W power. specially designed for Douk Audio / Nobsound digital amplifiers, ensures a pure and robust high-fidelity audio experience. Universal Use & Compatibility: Universal wide input voltage of AC 100V-240V 50/60Hz, DC 48V/10A (480W max) output; it seamlessly supply power to Douk Audio amplifiers, including H7pro, T6pro and A100, etc. ensuring harmonious integration and optimal performance.

DC 19V3.42A/19V4.74A/24V4.5A/24V6A/32V5A/36V6A/48V5A Power Supply US Plug 110V

By |July 22nd, 2026|

Surging Power & Exceptional Efficiency: compared to traditional silicon-based power supplies, boasts less energy loss and higher conversion efficiency, consistently output 96W power. specially designed for Douk Audio / Nobsound digital amplifiers, ensures a pure and robust high-fidelity audio experience. Universal Use & Compatibility: Universal wide input voltage of AC 100V-240V 50/60Hz, good adaptability, also widely used to drive LCD LED Monitor, HDTV, 3D Widescreen, Bluetooth Speaker, Printers etc.

DC 19V3.42A/19V4.74A/24V4.5A/24V6A/32V5A/36V6A/48V5A Power Supply for Amplifier

By |July 22nd, 2026|

Surging Power & Exceptional Efficiency: compared to traditional silicon-based power supplies, boasts less energy loss and higher conversion efficiency, consistently output 96W power. specially designed for Douk Audio / Nobsound digital amplifiers, ensures a pure and robust high-fidelity audio experience. Universal Use & Compatibility: Universal wide input voltage of AC 100V-240V 50/60Hz, good adaptability, also widely used to drive LCD LED Monitor, HDTV, 3D Widescreen, Bluetooth Speaker, Printers etc.

DIY 4.2V USB Wall Plug 100-220V Input [ SOLDERIN REQUIRED ] You assemble

By |July 22nd, 2026|

Solder Kit - 4.2V USB Power Plug. 1|2|3|5|10 x 4.2V USB Power Plug. 4.2V USB Power Plug. Input AC Frequency. DC Output Amperage. Soldering Required Kits. What You Get. Current Resolution.