Top 6 Best Douk Audio Amplifier

Full Upgraded Version of ST-01 1. Supports U-disk input to play lossless formats music. 2. Add sensitivity adjustment of VU meter on its bottom, easy to set and match better with different input signals. 3. Add three decorative golden circles around tubes and VU meter, looks more exquisite and luxury.. Unique and amazing combination With VU meter into whole in such a mini size, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, 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 100W4 and easily to drive all 3-8 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.. With multiple digital audio inputs Bluetooth 5.0 USB Coaxial Optical stereo RCA, compatible with most audio device such as phones, computers, tablets, TVs, TV, CD players etc. The perfect combination of DAC and amplifier, very suitale for audiophiles who have various audio devices..

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 32V5A 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.. Reasonable circuit layout and concise wiring to ensure HiFi clear and clean sound, no audible noise even at high power output. High gain Bluetooth antenna design, can receive audio signals from greater distance, very practical and powerful.. Mini size with exquisite appearance, aluminum alloy case and gold-plated terminals are fashionable and durable, with input switch and indicator, very suitable for home and desktop audio system use..

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.. Mini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for homeoffice desltop audio system use.. With strong drive power, easily to drive most high-impedance headphones such as HD580HD600HD650K701K702Q701DT880T70T90SR225SR325RS1e.

As a digital power amplifier music player, it supports RCAAUXUSBBT 5.0TF Card inputs, almost compatible with all home audio device such as phone, tablet, computer, TV, set-box, CD player etc. U-disk and TF card support WAV, APE, FLAC lossless formats .. USB interface supports U-disk, computers no need for driver and phones with OTG function input. Bluetooth 5.0 achieves stable and faster transmission speed, TF card makes it convenient to enjoy high-quality music even on the road or outdoor.. Adopting powerful amplifier chip, max output power can reach 60W60W, enough for most home desktopbookshelfindoor passive speakers4-16. The sound is clear and clean without any audible noise even at high output.. Compact design and exquisite appearance, attractive chassis with LED display and power mode switch, very suitable for home and desktop audio system use. DC 9-24V wide voltage makes it possible to be used in car or motorcycle.. Comes with complete accessories including high-quality 19V power supply, USB cablewith shielding ring, 12 and 22 RCA cable, 3.5mm AUX cable, no need to wait and enjoy its powerful function at once as long as you receive it..

MM MC phono input, support multiple input impedance switch 1K470220100472210, 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.. 3.5mm headphone output and perfect circuit design T4 PLUS also with built-in classic headphone amp circuit 2NE5532, easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPS54307205MOS for power management, TL071JRC2068 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, such as solid aluminum alloy knob, gold-plated terminals, grey integrated moulding aluminum alloy shell decorates with built-in VU meter, looks vintage and elegant. Not only a MMMC phono preamp, but also a stereo audio preamp and headphone amplifier, especially designed for the audiophiles who pursue HiFi sound..

Besides standard 3.5mm AUX input, it also supports Bluetooth 5.0 to achieve faster and more stable transmission. Compatible with most home audio devices such iPod, Phone, tablet PC, computers, MP3 players, TV, Echo Dot, CD players and so on.. Adopting TPA3116 chip whose max output power can reach 50W2 4 ohm, no audible noise and pop even at high power output, default 19V power supply is enough to drive most home bookshelf computer desktop passive speakers.. Adopting Qualcomm 3003 Bluetooth chip, and 2PCS NE5532 op-amp are used, plug-in type design makes it easy to be replaced by different op amps. Reasonable circuit layout and compact aluminum alloy chassis to ensure better shielding performance and clearer sound.. Simple design without any redundant functions to ensure purer and more natural sound. Mini size with exquisite appearance looks more fashionable, very suitable for home and desktop audio system use.. Prompt and courteous customer service. For any questions, please contact us on Amazon..

G4 can be used as full frequency amp or subwoofer amp with the BM switch to connect different speakers, and with 3.5mm AUX and RCA input to compatible with different audio devices. 2PCS G4 can be used to drive left and right channel independently to avoid mutual interference.. Adopting 2PCS NE5532 op-amp and TI's TPA3116 chip, output power up to 100W enough to drive passive 3-10 inch full-frequency speakers or 4-12 inch subwoofers, no audible noise even at large power output, upgrade your 2.0 channel audio system to 2.1, providing shocking cinema effects.. By combining the stereoleft and right channel input, first to do signal analysis and frequency processing and then power amplification, the low-frequency filtering will be more pure and power consumption is more efficient.. Mini size with exquisite appearance mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use.. Notice this is mono amplifier, if you want stereo output please buy 2PCS or 3PCS..

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 160W160W4, and equipped with 32V5A 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.. Perfect Design Powerful function with tone control, easy to get more smooth and delicate sound by adjusting treble and bass knob, and bypass function is added to enjoy original sound. A bassboost switch is specially designed to greatly enhance bass effects, the shocking auditory effects make you feel like in the cinema.. Exquisite Appearance Proper Size metal black case and vacuum tube with blue and orange decorating light looks fashionable and attractive, designed input switch bass and tone pass bypass switch, very convenient to use and suitable for stereo home and desktop audio system..

Stronger output power and RCA output added use TI's classic power amp IC 3255, each channel can output 300W4 and easily to drive all 4-8 passive speakers stereo RCA output is added, easy to connect another amplifier or active speaker subwoofer to build multiple channel system and enjoy wonderful home theater experience.. Separate control for left and right channels two volume knobs are designed for adjusting the left and right channel output indepedently, compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position. Also with sensitivity knob of VU meter, easy to adjust and match better with different input signals.. Balanced power amp with VU meter H7 amplifier integrated with VU meter, not only reproduces high-quality audio with excellent separation, resolution, sound field and clean background, but also dynamically decorates the listening space with strong vintage feelings when its pointer dances in the warm light.. HiFi clear sound and attractive appearance support both XLR and RCA inputs compatible with most home audio device resonable circuit and concise wiring, many high-quality components are used for excellent performance custmoized grey aluminum alloy case, CNC machined with laser engraving, looks elegant and luxury..

As a VU meter, with dual 6035mm 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.. Easy Use Perfect Details Powered by micro-USB 5V, with built-in protection load for speakers. With remote control, can quickly set the working status from distance. All settings can be saved after shutdown, more convenient to use.. Proper size with exquisite appearance cool black case, warm VU meter and clear indicators looks vintage and dynamic, can perfectly match with a variety of usage scenarios, very suitable for audiophiles who have more than one amplifiers or speakers..