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Name：mini USB amplifier 2*20W
Describe：
mini USB amplifier can driver 2*20W speaker,with USB function,the USB port can play sound,also can charge the device
Content：
It provide high-performance, thermally efficient amplifier solutions. It delivers MAX 2X20W into 8Ω loads.
Suggest working voltage: 9-20V.
Lowest THD: 1%
With USB function, when insert USB it can play music.
Good sound, high quality.
Easy to take when you on travel.
Very portable
Mini USB digital amplifier
User manual
1 connect power adapter 12V-18V
2 there are audio input and USB input, you can choose.
If insert both of audio and USB, it will play sound in audio input first.
3 when insert USB, it will search the sound, the Red light on, when play the sound on USB, the red light flash.
Size: 85mm*63mm*38mm