2 x 50W Bluetooth+DSP Audio Amplifier Board - TSA7802B(Apt-X) Firmware type:Party mode (Multiple boards can be linked together wirelessly) You don't need a PIN

You don't need a PIN

the LED will blink 3 seconds and turn off again

Both of channels are capable of outputting nominal power simultaneously and continuously

How to change the EQ

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

2 x 50W Bluetooth+DSP Audio Amplifier Board - TSA7802B(Apt-X) Firmware type:Party mode (Multiple boards can be linked together wirelessly) You don't need a PINTSA7802B 2x50W 2 channels Bluetooth+DSP amplifier board with an AudioB I2S Bluetooth module that supports Apt X. TSA7802B is a very flexible DSP DAC Amplifier combination board. It has perfect class D structure (Based on TPA3116D2) and 2 channels have 50W power output. All the 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