2x ZK-1001B Modulo Amplificatore di Potenza Audio Bluetooth Mono 100W TWS DC7-24V TPA3116
Audio output: mono 100W. Power amplifier chip: TPA3116D2. 2 x Power amplifier board(the shell needs to be assembled by yourself). Audio input: Bluetooth+AUX+USB stick+USB sound card. Bluetooth version: 5.1.