AA-AB32477 Dual Channel 20W + 20W HIFI Bluetooth 5.0 Power Amplifier Board Bluetooth and AUX Input 12-19VDC

AA-AB32477 Dual Channel 20W + 20W HIFI Bluetooth 5.0 Power Amplifier Board Bluetooth and AUX Input 12-19VDC

Specification:
- Product name: Bluetooth audio power amplifier board
- Model: AA-AB32477
- Bluetooth version: Bluetooth 5.0
- Bluetooth name: BDM3
- Power supply voltage: DC12-19V
- Audio input: Bluetooth + AUX
- Output channel: 2 channel stereo
- Output power: 20W + 20W (8ohm)
- Size: 72.4 x 32.4 x 12mm
- Weight: 55g

Package Included:
- 1 x Power Amplifier Board

FAQ:
Q: Is it okay if the voice is low? Why is it turbid when the voice becomes loud?
A: The sound is distorted. Please replace the power supply of the adapter with a higher voltage level.

Q: How to select the audio input mode?
A: After power-on, it will automatically enter the pairing mode. The mobile phone or computer will open the Bluetooth search to display the device name: BDM3, which can be used after clicking the pairing success. There is no prompt tone when Bluetooth pairing. 3.5 plug in is 3.5 mode, and unplug 3.5 input to automatically switch to Bluetooth mode.