2 x 30W Bluetooth+DSP Digital Audio Amplifier Board - TSA3120B Firmware type:Party mode (Multipe boards can be linked together wirelessly) repeat step1~step3 on the new

repeat step1~step3 on the new TSA1453 board

2V after full charged

TSA3118 Bluetooth module PSR file（U

Audio out and DC5V

Specifications are subject to change without notice

2 x 30W Bluetooth+DSP Digital Audio Amplifier Board - TSA3120B Firmware type:Party mode (Multipe boards can be linked together wirelessly) repeat step1~step3 on the newTSA3120B is a 2x30W Stereo Bluetooth 5. 0 digital audio amplifier board. It has a digital Input, Closed Loop Class D Amplifier chip TSA5756M and each channel has maximum 30W power output. Both of channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC12V 24V power supply. it can be used to drive any 4 or 8 passive speakers. It's a 2 channels amplifier board. You can pair it with a mobile