Best Douk Audio in 2026

This is Nobsound's new power amplifier in 2022. Based on our previous product, we enhance its output power and improve its functionality, while still keep its mini size and elegant design.

Despite its mini size(can be hold with one hand), the output power is improved to 100W(50W*2) with the upgraded chip. You will be amazed by its output power compared to its size when you see it.

Supporting AUX/USB/Bluetooth input. You can enjoy your music in different ways. The Bluetooth function is also upgraded to 5.0. Now it is more stable and faster.

AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. 5654W tubes should only be used to replace 7-Pin /6Ж1/6J1/6J1P / 6J1P-EB / 6Zh1P-EV/6AK5/ 6AK5W and EF95 tubes. DO NOT SUBSTITUTE FOR ANY OTHER TYPE OF 7-pin tube.

Tested and matched Pair tube (2PCS) of low-noise 7-Pin United States GE JAN 5654W are considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use. These vintage US manufactured GE tubes are Mil. Spec. (JAN) Electron Tubes - Higher Durability and Life.

Unique and amazing combination: integrated ST-01 amplifier with VU meter into whole in such a mini size, when enjoy HiFi music, the pointer dancing in the warm light with strong vintage feelings, dynamically decorates the audio system space.

HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows.

Strong output power and special AUX output: use TI's classic power amp IC, each channel can output 100W(4Ω) and easily to drive all 3-8Ω passive speakers, adds 3.5mm AUX output easy to connect another amplifier or active speaker / subwoofer to build multiple channel system and enjoy wonderful home theater experience.

Fully Upgrade, Totally No Noise and No Sound Interference: 4 independent switches to select different inputs or outputs, fully isolated independent circuit, make sure that each signal is not affected by the other three channels.

Very Useful Functions: Can be used as 4-IN-1-OUT or 1-IN-4-OUT. Conveniently to switch among different audio sources or choose among different outputs. You can use it to debug or compare your various audio devices.

Very Easy and Simple Use: Fully passive, no power and no driver required. Add 4 blank squares for you to mark different audio equipment. Please note there are two IN/OUT ports. The one that is opposite with others has priority. The other one is added since some customers want to connect all cables at one side.

[Upgrade!!! Newest version optimize the Bluetooth range and stability as well as sound quality] Using classic TDA7498E chip, max output power can reach 160W + 160W, equipped with high-quality 32V/5A power supply enough to drive above 300W passive speakers. It has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.

M1 PRO supports stereo RCA and Bluetooth 5.0 input, compatible with phones, computers, TVs, MP3 players, TV, Echo Dot, CD players etc. It is also a digital music player with U-disk input supporting MP3, WAV, APE, FLAC and WMA lossless formats.

Can build 2.1-CH audio system with its low frequency output for active subwoofer. The bass effects can be strongly enhanced. The sound is more delicate with treble and bass control, the shocking auditory effects make you feel like in the cinema.

Bluetooth 5.0 & Stereo RCA & MM Phono inputs: MM phono input, converts phono signal to line level signal and amplify it, 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, MP3 etc. and provide enough output power for passive speaker, greatly improve the sound quality.

JAN5654 vacuum tube & HiFi Sound: default 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.

Super large output power & low frequency output: adopting TDA7498E amp IC whose max output power can reach 160W+160W(4Ω), and equipped with 32V/5A power supply, easily to drive most home passive speakers. And adding subwoofer output, convenient to connect active subwoofer and build 2.1 stereo audio system.

Douk Audio P1 Preamp has been acclaimed by countless audiophiles worldwide, now we upgrade 6J5 to JAN5654 / GE5654 tubes according to many audiophiles' feedback, the sound quality will be greatly improved.

With 3 kinds of audio input(Bluetooth/USB/RCA) and 2 kinds of output(RCA/3.5mm headphone), P1 can be used as HiFi tube Preamp, USB DAC or headphone amp with HiFi clear, warm, dynamic, sweet tube sound, bringing extremely high-quality listening experience.

Bluetooth 5.0 (QCC3034) supporting APTX-HD lossless transmission. PC-USB (CM6642) supporting 24bit 192KHz and compatible with Windows/Mac/Linux system, matching well with many audio devices such as iPod, Phone, MP3 players, TV, Blu-ray players, Echo Dot, CD players, etc.

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 TPA5430 for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost.

CT1-P is a bias current probe tester for testing PLATE current of vacuum tubes

Suitable for tube model EL34,KT88,6L6,6V6,5881,6550,KT66,KT100,KT120,7027 etc.

Banana Jack Plug ,same as your multi-meter probe; Tube socket cable lengh: 23cm

Materials: ① Aluminum alloy: with high hardness and density has low harmonic vibration point and high damping; ② Antiskid rubber: absorbing vibration and achieve higher quanlity of listening pleasure, improve sound clarity, stereo imaging and bass response

Design: CNC Machined and spring isolation stand feet is easier to install, no need to make holes and no need to use double-sided adhesive to avoid damaging your equipment. Espeically it's convenient for you to adjust load bearing by moving or adding springs which can make sound feeling different

Function: Using isolation stand feet is to suspend acoustic feedback from your speakers or sub-woofer isolation for vibration. The tones will be more focused, lighter and with less noise. It can also avoid much of the vibration that may disturb downstairs.

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.

Adopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.

Pluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles. Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.

2(1)-IN-1(2)-OUT RCA Audio selector designed for customers having several audio sources and outputs

Main functions: ① select audio input between A and B with A/B siwtcher and get one output; ② select audio output between A and B to receive one input

How to use: ① connect two audio sources (like CD player / computer) to A/B ports and one audio output (like speakers) to IN/OUT port; ② connect one audio source to IN/OUT port and two audio outputs to A/B port

As a VU meter, with dual 60*35mm large meter, can dynamically decorate audio environment and provide incomparably visual effects when switching audio signals.

As an audio switcher, easily to switch between two amplifiers and 2 pair of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets.

Powerful design and strong compatibility: all channels adopt fully isolation design, each channel's GND is independent without mutual interference. Supports all kinds of amplifier such as BTL / class A / class B / class D digital amplifier / tube amplifier etc.

【Fully balanced headphone amplifier】Adopting fully balanced amplifier circuit and innovative circuit design, the amplifier circuit of U5 always works at a high voltage of 24V even if input DC 5V, with wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.

【Easily to drive low or high impedance headphones】For a total power output of up to 1400mW under a 32Ω load, U5 can easily power headphones with any low or high impedance (18-600Ω). Volume knob allows you to smoothly adjust volume without any undesirable noise nor any channel imbalances.

【Pure analog design to reproduce music truly】Pure analog amplification circuit and analog control, show you the truest sound, all aspects are in the top-class such as sound field, sound position, details etc.. Adopt original JRC4580 classical op amp, pluggable socket design, convenient to upgrade different op amps to enjoy other sound styles.

With MM signal input and 3.5mm AUX input(with priority), can be used as a MM phono preamp and a tube preamp, compatible with many audio devices such as MM record player, phone,TV, MP3 players, CD players, DAC, computers etc. to satisfy different demands.

Reasonable curcuit layout and concise wiring to ensure HiFi clear sound with low noise, adopting 2PCS 6A2 vacuum tubes(can be replaced by 6K4 / 6J1 / 6J4 / GE5654 / 6AK5 / 6*1n) to make sound warm, dynamic and sweet, bringing extremely high-quality listening experience.

With gain adjustment switch(OFF-39dB-42dB-45dB), convenient to match better with different audio signals, the front panel are machined with wire drawing and frosted technology, looks more fashionable and distinctive.

NEW VERSION!!! Supporting multiple inputs (RCA/AUX/USB/Bluetooth) and outputs (speaker/headphone), can as USB sound card supporting computers (no need for driver) and phones (with OTG function) input, almost can meet all kinds of home audio system device.

Upgraded Bluetooth to 5.0, achieve faster transmission speed, more stable signal and lower consumption, perfectly compatible with various Bluetooth devices.

With best HiFi sound among similar amplifiers in the market, thousands of times tuning taking lots of time to bring excellent listening experience. The sound is clear and clean without any audible noise even at the highest output 50W*2.

Mini Elegant Size But Powerful: ① NS-20G mini compact size suits very well for home and desktop use, and the output power is improved to 200W (100W*2) with 2PCS TPA3116 chip; ② You will be amazed by its output power compared to its size when you see it.

HiFi Sound and Bluetooth Lossless Transmission: ① HiFi clear and clarity sound, no audible noise; ② Bluetooth 5.0+EDR+DSP (Digital Signal Processing) to achieve real wireless lossless signal transmission and enjoy much better Hi-Fi sound quality within 15M distance, which brings you high-grade listening feast without any background noise.

NS-20G can be used as headphone amplifier(Only support 15-32Ω headphones). Bluetooth and AUX input can be widely applied to All Your Favorite Devices. Suits 5-8 inches / 4-8Ω / 20-120W speakers

Mutiple input/output interfaces: with 3.5mm AUX/stereo RCA/5-DIN inputs and stereo RCA/5-DIN outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player, potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.

With built-in amplification and voltage boost circuit: adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide ±12.5V high output amplitude and max 20dB high gain.

Unique design and HiFi clear sound: double-side PCB design, NE5532P op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles. High-qaulity sealed potentiometer, with wide frequency bandwidth and excellent dynamic response, the sound is smooth and natural, warm and delicate with ultra-low distortion.

Fully upgrade!!! Specially designed an input impedance switch to switch between 1K(default) and 4.7K, can match with different audio source well.

MC5 stereo audio mixer with 4 channel 3.5mm inputs and 1 channel 3.5mm output, which is capable of mixing the signals from CD players, instruments, portable recording devices, video playback devices and so on.

Mini size with exquisite appearance, passive circuit design won’t boost or reduce the audio signal. And MC5 can work without battery or external power, very convenient to carry and use any time any where.

2(1)-IN-1(2)-OUT 3.5mm Audio selector designed for customers having several audio sources and outputs

How to use: ① connect two audio sources (like CD player / computer) to A/B ports and one audio output (like active speakers) to IN/OUT port; ② connect one audio source to IN/OUT port and two audio outputs to A/B port

Main functions: ① select audio input between A and B with A/B siwtcher and get one output; ② select audio output between A and B to receive one input

Notice: ① Preamplifier needs to work with amplifiers or active devices; ② Not PHONO preamp and can't be used for record players

Excellent sound performance; No background noise; Warm and soft tube sound; Sound quality enhancement; Pure tube preamplifier; Suitable for all amplifiers and music types

With independent treble, bass and volume control; Vacuum tubes can be replaced by various models

This remote amplifier level control adds sub-woofer level controls or balances a multiple amplifier installation

Fine tunes the volume of any RCA line level signal you wish to control

Connect the RCA from the output of this controller to the amplifier, and wire the car stereo output to the RCA input of this unit

2-IN-2-OUT audio selector / splitter / switcher box designed for customers having several audio sources and outputs

How to use: (1)connect two sound sources like computer / CD player with A & B ports; (2)connect two sound outputs like speakers with ① & ② ports

Main functions: (1)select audio input with A/B switcher; (2)select audio output with ①/② switcher

MC3 is a 3-IN-3-OUT (XLR*2 RCA*1) passive audio splitter / audio switch

2 stereo XLR + 1 stereeo RCA inputs and 2 stereo XLR + 1 stereo RCA outputs

Function 1: switch among sifferent sound sources or amplifiers and compare their sound performance

Nobsound NS-10G Pro is the newest update version of our popular NS-10G amplifier. It has better performance and purer Hi-Fi music experience. A great choice for your home audio system.

Bluetooth 5.0+EDR and Hi-Fi DSP (Digital Signal Processing) to achieve much better Hi-Fi sound quality (BT distance is improved to 15m).

We removed unnecessary functions like volume control,which makes the circuit design purer and the sigal trace is also shortened. No background noise, all for best hifi performance.

Built-in high precision bubble level to test turntables / cabinet / speaker balance, allows you to enjoy the best sound quality

Laser engraving strobe scale never fades, universal support 50Hz/60Hz and 33rpm/45rpm, show you the rotation speed of the LP disc

Soft base pad assure protection of the record label, offers sound damping (lessens unwanted vibration) and helps temporarily level vinyl surface

MM /MC phono input, support multiple input impedance switch (1KΩ/470Ω/220Ω/100Ω/47Ω/22Ω/10Ω), converts phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear 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.

Unique and amazing combination in the appearance: integrated T4 PLUS preamp with retro tubes and VU meter into a whole, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system and give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.

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.

Headshell alignment block used for VTA & Azimuth alignment (vertical tracking alignment)

Precision crafted using clear acrylic with crystal clear print

100% Brand new and high quality; Highly Clear; Material: Acrylic

Not only as a headphone amplifier, compatible with wide impedance range(12-200Ω), but also as a preamp for your other power amplifier, convenient and efficient to improve sound quality.

1*3.5 mm stereo jack input, can be connected to computer, CD, mobile phone and lossless player. 2*3.5 mm output can also be connected to digital amplifiers and active multimedia audio devices.

Default Beijing FU32 vacuum tube, can be upgraded to GU-32/832; Default NE5532 op amp, can be upgraded to OPA2604, JRC4558, OPA2132, OP275 and so on for enjoying different tones.

Materials: 1) Aluminum alloy and brass spike: with high hardness and density has low harmonic vibration point and high damping; 2) Shockproof and antiskid rubber: achieve higher quanlity of listening pleasure, improve sound clarity, stereo imaging and bass response

Integrated Design: 1) Integrated shockproof spikes and pads can make good use of the characters of brass and aluminum alloy, which benefit the elimination of vibration; 2) Easier to install, no need to make holes and no need to use double-sided adhesive to avoid damaging your equipment

Adjustable Height: the height of shockproof feet spikes can be adjusted to fit different types of speakers, amplifiers, CD or DVD players, etc.