MITSUBISHI DA-M10 POWER LEVEL METER works ( 1 ea )
VG SHAPE ( need clean ).
M-Audio DMP3 Dual Microphone Pre Amplifier Powers On Unable To Test May Work
The M-Audio DMP3 Dual Microphone Pre Amplifier is a versatile audio device designed for professionals in audio recording and production. Unit turns on is missing one knob on channel B selling for parts as is because unable to test it but looks to be in good condition and may work just fine
Douk Audio T4 Pro GE5654 Tube Stereo Preamp RIAA Phono Stage Headphone Amplifier
T4 PRO tube preamp meets more HiFi needs: MM phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality. Imported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference. 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 T4 Pro GE5654 Tube Stereo Preamp RIAA Phono Stage Headphone Amplifier Item description This product is located in USA Warehouse, 1-6 bz days can reach most USA regions. Introduction Douk Audio T4 PRO can be used as a MM phono preamp, a tube audio preamp and a headphone amplifier, powerful function in mini size, specially designed for various requirements of home/desktop audio system. Features T4 PRO tube preamp meets more HiFi needs: MM phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality. Imported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference. 3.5mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit(2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPS5430 for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost. Mini size and excellent performance: all designs full of details, solid aluminum knob, potentiometer for smooth multi-level gain adjustment, grey integrated moulding aluminum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. Compact T4 PRO will give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space. Comparision between Douk Audio T4 PRO and Other Similar Preamp Brand Douk Audio Others 3.5mm headphone out √ (32-300Ω) × Vacuum Tubes 2*GE JAN5654 2*6J2 Control knob Solid aluminium (ten times expensive) Plastic Gain adjustment Smooth potentiometer (multi-level) Only 4 levels (0, 39, 42, 45) S/N ratio ≥105dB ≥98dB Warm tips: 1. 3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM phono input. 2. Stereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously. Parameters Brand: Douk Audio Model: T4 PRO Audio input: MM phono/turntable / 3.5mm AUX Audio output: stereo L/R RCA / 3.5mm headphone jack Output level: 1.5V (input 0.775V) Max output power of headphone jack: 150mW@32Ω Matched headphone impedance: 32-300Ω Input sensitivity: 0.775V Frequency response: 20Hz-20KHz(±3dB) (AUX IN) / Standard RIAA (phono IN) S/N ratio: ≥105dB THD: 0.2% Dimensions(W*D*H): 95*117*30mm / 3.74*4.61*1.18in (exclude tubes) Package dimensions(W*D*H): 255*215*65mm / 10.04*8.46*2.56in Net weight: 330g / 0.73lb Package weight: 600g / 1.32lb Packing List 1*T4 PRO Preamp 2*JAN5654 Vacuum Tube 1*DC 12V Power Adapter 1*3.5mm to RCA 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 ST-01 PRO Bluetooth Tube Amplifier VU Meter USB DAC COAX/OPT Home Amp
Douk Audio ST-01 PRO Bluetooth Tube Amplifier VU Meter USB DAC COAX/OPT Home Amp. Shipped with USPS Ground Advantage.
Douk Audio NS-13G MAX TPA3255 Digital Amplifier PHONO Amp w/48V5A Power Adapter
Douk Audio NS-13G MAX TPA3255 Digital Amplifier PHONO Amp w/48V5A Power Adapter. Condition is New. Shipped with USPS Ground Advantage.
douk audio Tube Amp Bluetooth Lot Of 2
Lot of 2 amps Douk Audio In good condition. The P1 does not include a charger, and the antenna is missing; however, the other unit is complete. Thanks for looking.
Douk Audio U3 Mini Class A Headphone Amplifier Hi-Fi Desktop Stereo Headset Amp
Adopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.
HIFI Bluetooth Power Amplifier USB DAC COAX/OPT Digital Audio Amp 24Bit/192KHz
Abundant audio I/O interfaces: with 5 kinds of audio inputs (Bluetooth / PC-USB & U-disk / stereo RCA / coaxial / optical) and 3 kinds of audio output (speaker jacks / 3.5mm AUX / 3.5mm headphone jack), compatible with different home audio devices such as phone, computer, tablet, MP3, TV, CD player etc.. Strong compatibility and multichannel use: USB both supports PC-USB (phone OTG) and U-disk, can be used as a digital music player to play lossless formats such as WMA / WAV / APE / FLAC; with 3.5mm AUX preamp output, can connect another amplifier or active subwoofer or active speaker to bulid multichannel stereo audio system. 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 Power Amplifier USB DAC COAX/OPT Digital Audio Amp 24Bit/192KHz Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Features Abundant audio I/O interfaces: with 5 kinds of audio inputs (Bluetooth / PC-USB & U-disk / stereo RCA / coaxial / optical) and 3 kinds of audio output (speaker jacks / 3.5mm AUX / 3.5mm headphone jack), compatible with different home audio devices such as phone, computer, tablet, MP3, TV, CD player etc.. Strong compatibility and multichannel use: USB both supports PC-USB (phone OTG) and U-disk, can be used as a digital music player to play lossless formats such as WMA / WAV / APE / FLAC; with 3.5mm AUX preamp output, can connect another amplifier or active subwoofer or active speaker to bulid multichannel stereo audio system. Enough power and wide working voltage: adopts Infineon MA12070 chip, max output power reaches 68W+68W, easily to drive most home desktop / bookshelf / indoor passive speakers (4-16Ω). DC 9-20V wide working voltage, M100 is also suitable for home/ car / motorcycle / marine stereo system use, HiFi music can be enjoyed anywhere and anytime. LED indicator and superior design: RGB LED sound level meter is added to show the volume and dynamically decorate your listening space. With display screen to show all items, clearly to know its working status in real time, very suitable for the audiophiles who pursue HiFi sound. Warm tips: USB input also supports mobile phones that with OTG functions, but Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself. Not guarantee compatible with all mobile phones OTG. Parameters Audio input: Bluetooth 5.0 / USB (PC-USB / U-disk) / Coaxial / Optical / Stereo RCA Audio output: banana speaker jacks / 3.5mm headphone jack / 3.5mm AUX Amp Chip: Infineon MA12070 Output power: 68W+68W Output impedance: 4/6/8/16Ω Sampling Rate: 24bit/192kHz (Optical / Coaxial) 16bit/44.1kHz (USB) U-disk formats supported: MP3 / WMA / WAV / APE / FLAC U-disk format: FAT32 (not support NTFS) Working voltage: DC 9-20V Power interface specification: 5.5mm / 2.1-2.5mm Dimensions(W*D*H): 62*75*112mm / 2.44*2.95*4.41in Net weight: 337g / 0.74lb Package weight (without power adapter): 500g / 1.10lb Package weight (with power adapter): 700g / 1.54lb Packing List 1*M100 Amplifier 1*DC 12V Power Adapter (Optional) 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 HiFi Stereo Preamp Audio Booster Volume Controller for Power Amplifier
Digital Amplifier. Audio Amplifier. Tube Amplifier. Headphone Amplifier. Oscilloscope Tube Clock. Passive Preamp. 1× Passive Preamp. Tube Preamp.
Mini Bluetooth 5.0 Tube Headphone Amplifier USB DAC Stereo Audio Preamp APTX-LL
Douk Audio U4 is a multi-function HiFi audio device, with Bluetooth 5.0 and USB input, stereo RCA, 3.5mm AUX, 3.5mm headphone jack output, which can be used as a Bluetooth receiver, a USB DAC, a headphone amp and a stereo preamp, compatible with phone, computer, power amplifier, active speakers and so on.