Built-in chip: The bass power amplifier board has a bass volume potentiometer control, built-in TPA3116 power amplifier chip. Operating voltage range: DC 12-24V (the highest voltage does not exceed 24V). Purpose: Subwoofer power amplifier Audio input: Bluetooth/AUX/3P. 100W subwoofer power amplifier board, Bluetooth 5.0, frequency response range: input: 20Hz-20KHZ, output: 20Hz-180Hz. Bass channel output: This power amplifier board supports a maximum of 100W bass channel output, audio input sens
