ZK-TB21 Bluetooth Power Amplifier Board 2.1 Channel Stereo 2X50W+100W TPA3116D2 Digital Audio Power Amplifier Module
USD 20.43USD 40.05
ZK-TB21 Bluetooth Power Amplifier Board 2.1 Channel Stereo 2X50W+100W TPA3116D2 Digital Audio Power Amplifier Module