ZK-M21 amplifier module 2X50W +100W 2.1channell Bluetooth 5.0 power amplifier board 12-24V (TPA3116)
Assembled China version (blue light for Bluetooth and red for Aux)
ZK-M21 amplifier module 2X50W +100W 2.1channell Bluetooth 5.0 power amplifier board 12-24V (TPA3116)
Assembled China version (blue light for Bluetooth and red for Aux)