XH-M422 DC12-24V TPA3116D2 50W + 50W Bluetooth 4.0 amplifier board With U disk TF card player 

Chip: TPA3116D2

 

Bluetooth transmission distance: maximum 20M

 

Voltage: DC12-24V

 

Power: 50W + 50W

 

Storage mode: TF card, U disk

 

Size: 73 * 68 * 16mm

 

Efficiency: more than 90% .

​Weight ：42g

 

Key Function:

mode: Bluetooth, U disk, TF switch mode

play: play / pause mode

Prev / V-: short press to switch the previous song, long press to decrease the volume

Prev / V +: Short press to switch the next song, long press to increase the volume