Zuosheng Facmogu ST-838 2.1 Channel HiFi Stereo Subwoofer Amplifier, RMS 20Wx2+40W Mini Digital Audio Power Amplifier for Home Speakers, 80W Subwoofer Amplifier Audio Stereo Bass Amp with Power Supply - Black 0 W AV Control Receiver  (Black)

【Mini High Power Amplifier】2.1 channel output, stable power output, low distortion, restore full and smooth stereo sound, drive most passive speakers and subwoofers. 【Independent Sound Adjustment】Support main volume, treble, bass and subwoofer independent adjustment, freely tune sound effect for better listening experience. 【Dual Audio Input】RCA + 3.5mm AUX dual input, widely connect phone, TV, computer and other audio devices. Blue indicator lights up with bass vibration. 【Compact Easy Installation】Ultra small lightweight body, stylish matte exterior, space-saving, suitable for home, car, yacht, RV and other scenes. 【Cost-effective Package】Comes with free 12V 3A dedicated power adapter, no extra purchase needed, ready to use out of box.