Douk Audio St-01 Pro Bluetooth 5.0 Coax/Opt Amp, Dac, And Tube Amplifier.

Warm Tips 1. PC-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. 2. Pluggable tube socket, default 6K4 vacuum tubes, can be replaced by 6J1 / 6J2 / 6*1n / 5654 / 6J4 / 6J5 / 6K5 / 6A2 etc. Parameters Brand: Douk Audio Model: ST-01 PRO Audio input: Bluetooth / USB (PC-USB) / Coaxial / Optical / RCA / U-disk (only ST-01 PRO supported) Audio output: Banana speaker jacks / 3.5mm AUX Max output power: 100W+100W (4Ω) Matched impedance: 3-8Ω Sampling rate supported: USB input: 96KHz/24Bit Bluetooth input: 48KHz/24Bit COAX/OPT inputs: 192KHz/24Bit Supported formats of U-disk: MP3 / WAV / WMA / FLAC / APE Max capacity of U-disk: 64G Treble / Bass adjustment range: ±6dB System PC-USB supported: XP/W7/W8/W10/MAC/ Linux Frequency response: 20Hz-20kHz(±1dB) S/N ratio: ≥98dB THD: 0.07% Working voltage: DC 18-30V Dimensions(W*D*H): 115*98*54mm / 4.53*3.86*2.13in Package dimensions(W*D*H): 295*225*85mm / 11.61*8.56*3.35in Net weight: 661g / 1.46lb Package weight: 1.4kg / 3.09lb Packing List 1*ST-01 PRO Amplifier 1*DC 24V Power Adapter 1*Remote Control 1*USB Cable 1*Bluetooth Antenna 1*User Manual

Product Features

  • 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 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.
  • 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 functions 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.



Shipping:

Shipping is complimentary within the lower 48 US States.

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