Bluetooth 5.0, support one-key TWS pairing, support AUX to insert TWS into the box and keep the line, power on, the default volume
TX, RX, GND: TTL serial port configuration 9600, N, 8, 1
At 16V4A, the maximum output power is 30W; At 12V4A, the maximum output power is 20W
8-22V power supply, with reverse connection protection, support laptop power adapter power supply
Boards and devices, excellent workmanship, sufficient materials, reliable quality
M+ and M- are the positive and negative of the microphone
Material:PCB
colour:Green
Package Contents:
1 x Bluetooth 5.0 power amplifier boardOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.