Rated Power: 50W 2. Unlimited connectivity for music freedom: Our products combine Bluetooth 5.0, USB direct connection and 3.5mm AUX audio input, easily compatible with the vast majority of audio devices on the market, whether smartphones, tablets, PCS, TVS, CD players, decoders or preamplifiers, can be seamlessly connected, so that your music world is no longer limited.
Ideal for Entry-Level System Building: An excellent, cost-effective foundation for upgrading your car audio. Flexible Connectivity Options: Easily connect to your car stereo via the standardRCA inputs.
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
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.
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.
Digital Amplifier. Audio Amplifier. Tube Amplifier. Headphone Amplifier. Oscilloscope Tube Clock. Passive Preamp. 1× Passive Preamp. Tube Preamp.
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
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
Open box. No box or docs. The Douk Audio P1 GE5725 Tube Preamp Bluetooth Receiver USB DAC Headphone is a high-quality Hi-Fi amplifier designed for home audio systems. It features a sleek black design and offers two audio outputs - a headphone jack and stereo L/R RCA outputs. With Bluetooth and USB audio inputs, this unit allows for versatile connectivity options. The analog and digital features make it suitable for a range of audio needs, while its two channels provide a clear and immersive listening experience. Made in China, this amplifier is a reliable choice for enhancing your home audio setup.
Master Your Speaker Setup. Input: 2 sets of RCA / TRS+XLR.