2 x 100W + 200W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7500 TSA7499B One TSA3120B works standard alone:

One TSA3120B works standard alone:

Power up the module and double click S1

28-/56-bit

The Bluetooth setting can also be changed so that eath module has L&R mixed mono output

and you don't want to use cable to connect with our amplifier board

2 x 100W + 200W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7500 TSA7499B One TSA3120B works standard alone:TSA7500 2x100W + 220W 2. 1 channels audio amplifier board with AudioB pro Bluetooth module. It has perfect class D architecture(Based on TPA3221) and 2 channels have 100W power output and another one channel has 200W power output. All the channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC12V 30V power supply. It can be used to drive any 4 or 8 passive speakers(Subwoofer channel need 2