XH-A105 BLE 5.0 TDA7498 Digital Power Amplifier Board , 2X100W Stereo Audio AMP Module Support TF Card AUX

Product model: XH-A105
Input Voltage: DC12-24V
Current: More than 3A
Output power: 100W * 2
Audio Input: Blue tooth, TF card, AUX
Number of channels: two channels
Size: 92*85*20MM
Installation aperture: 3MM
Installation Hole Distance: 85*5*78.5MM
Blue tooth operation instructions:
When the power amplifier board is connected to the power supply and the Blue tooth is not connected, the blue tooth indicator will flash quickly. When the Blue tooth connection is successful, the Blue tooth indicator will stop flashing. When the song is playing, the Blue tooth indicator will flash slowly.
Notes:
1. Connect the power input to the DC12-24V power supply. When the power is on, the power indicator will turn red and the blue light will flash blue.
2. Connect the audio input to any audio source, such as MP3, mobile phone, computer, TF card.
3. Connect the audio output to the speaker, pay attention to the positive and negative.
Blue tooth/TF card volume hole:
When the audio input uses a Blue tooth or TF card, you can connect the power cable to the “+ VOL -” three holes to adjust the volume and switch songs.
1. “+” and “VOL” connection: increase volume
2. “-” and “VOL” connection: reduce the volume
About selecting Audio Input: The board will Automatically Select the last audio input. If you use the Blue tooth Audio input, and then connect the AUX, so the board will automatically select the AUX Audio input!