Sound quality is very good by using this module.
Using TDA7492P power amplifier chip, bluetooth V2.1.
After power on, automatically enter into pairing mode.
Applicable speaker impedance: 4/6/8/16 ohm (8 ohm is the best).
Supply Voltage: DC 10-25V
Power Interface: 2.1 DC Socket
Audio Input: bluetooth Receiver V2.1
Audio Output: Terminals
Output Power: 2*25W
Applicable Speaker Impedance: 4/6/8/16 ohm
If you use external audio, you need connect 3.5mm audio line;
Auto detection for AUX input, the bluetooth will disconnect after AUX input.