Douk Audio ST-01 200W Bluetooth Amplifier, 2 Channel Vacuum Tube Power Amp with USB DAC/Coaxial Optical Inputs/VU Meter/Treble Bass Control for Home Theater/Stereo Speakers (Upgrade Version)

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 (4) and easily to drive all 3-8 passive speakers, adds 3.5 mm 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.
Practical funtions to simplify use: with full-function remote control, all settings can be achieved from the distance; with input selection and indicators, clearly to show the working status in real time; aluminum alloy case is specially designed, cool and unique to decorate your desktop space.