1 Dual Channel: The stereo sound of this Bluetooth power amplifier board is output by dual channels, ensuring continuous serial high power operation. 2 High Compatibility: The audio input of this power amplifier supports Bluetooth, AUX, USB flash disk, USB sound cards. 3 APP Function: Support for Wuzhi Audio APP function, you can change the Bluetooth name and set the Bluetooth password, adjust the volume of beep and switch sound, play sleep aid and timer shutdown, also can do the sound effect adjustment, USB flash disk selection and playlist. 4 Treble And Bass Control: This Bluetooth power amplifier board can change the inherent high and low tones, just use the treble and bass control knobs and it will give you the feeling of being in a cinema. 5 Security Preserve: This amplifier board has input protection against reverse connection, overheating, overcurrent and short circuit.

What's in the box
1 x Power Amplifier Board