2 x 100W + 200W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7500B(Apt-X) TSA7600 And if you use screw

And if you use screw terminal

User can set audio tones/frequency of the output

Power up another TSA3120B

Note1: You need to set the on-board switch to SPI when you program the module

Power up the TSA2500

2 x 100W + 200W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7500B(Apt-X) TSA7600 And if you use screwTSA7500 2x100W + 220W 2. 1 channels audio amplifier board with AudioB pro Bluetooth module that supports Apt X. 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