2 x 50W Bluetooth 5.0 Multipoint Audio Amplifier Board - TSA2400 TSA7550B One TSA3120B works standard alone:

One TSA3120B works standard alone:

Double click the S2 on the Master module

it can accept different sampling rates digital audio source

TSA9840 2x20W audio amplifier board with AudioB plus Bluetooth module

The module will appear as "TSA7802B"

2 x 50W Bluetooth 5.0 Multipoint Audio Amplifier Board - TSA2400 TSA7550B One TSA3120B works standard alone:TSA2400 is a 2x50W Stereo Bluetooth 5 multipoint audio amplifier board. It has perfect class D architecture(Based on TPA3116D2) and each channel has maximum 50W power output. Both of channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC10V 24V power supply. it can be used to drive any 4 or 8 passive speakers. The highlight point is BT 5 integrated. You can have many TSA2400 boards paired