User Manual of Douk Audio ST-01 PLUS

Warm tips

• Default 32V/5A power supply, can satisfy the needs of most home speakers. If you need higher power output, please prepare a high-quality and large power supply by yourself.
• The 3.5mm AUX output and the speaker jacks output are controlled by the main volume and bass/treble synchronously.

• Multiple inputs and higher compatibility: with Bluetooth 5.2/RCA/MM phono inputs, compatible with most audio devices such as turntables, phones, computers, tablets, TVs, CD players etc. Besides banana speaker outputs, a 3.5mm AUX output is added to connect another amplifier or active speaker/subwoofer to build 2.1 or multi-channel audio system.
• High-quality audio components: with TPA3255 amplifier chip adopted, max output power of each channel reaches 300W, can drive most home passive speakers and delivers exceptional sound quality with low distortion. The QCC304X Bluetooth chip, supporting SBC/APTX/APTX-LL/APTX-HD etc, ensures high-quality, low-latency wireless audio streaming with efficient power use and stable connectivity.
• Unique and amazing combination: integrated ST-01 PLUS amplifier with VU meter into whole in such a mini size, brings a retro sense to balance the modern feel. The pointer dancing in the warm light, dynamically decorates the audio system and can serve as a visual aid for real-time audio adjustment.
• User-friendly design: enjoy tailored sound with adjustable bass and treble. ST-01 PLUS also supports to clear Bluetooth pairing records. The sensitivity of VU meter can be adjusted, ensuring better match with different input signals. With input selection and indicators, clearly shows the working status in real time.
• Attractive appearance: crafted with a sleek aluminum alloy shell, ST-01 PLUS exudes elegance and robustness. Its refined exterior not only enhances the visual appeal but also ensures lasting quality, reflecting the perfect union of form and function in high-fidelity audio design.

• Audio inputs: Bluetooth 5.2/Stereo RCA/MM phono
• Audio outputs: banana speaker jacks/3.5mm AUX
• Max output power: 300W*2 (4Ω)
• Input sensitivity: Phono: 5mV RCA: 2V
• Bass&treble adjustment range: ±6dB
• THD+N: 0.02%@1KHz
• SNR: ≥107dB
• Frequency response: 20Hz-20KHz (±1dB)
• AUX rated output level: 2V
• Working voltage: DC 24-48V
• Dimensions(W*D*H): 115*100*60mm/4.53*3.94*2.36in
• Package dimensions(W*D*H): 295*205*90mm/11.61*8.07*3.54in
• Net weight: 673g/1.48lb
• Package weight: 1.40kg/3.09lb