TDA7498 Class D Power Amplifier Bluetooth 5.0 Plus Box Casing Acrylic

XH-A105 digital power amplifier board with high fidelity and two-channel stereo sound quality; Input voltage is DC 12 ~ 24V, audio input supports Bluetooth, TF card, AUX 3.5mm audio line input, can be directly connected to mobile phone, MP3, etc .; power amplifier board It also comes with a volume adjustment function, which rotates the chirp potentiometer clockwise to zoom in and out to decrease.

Product name: Two-channel Bluetooth 5.0 power amplifier board

Product model: XH-A105

Input voltage: DC12-24V

Current: more than 3A

Output power: 100W * 2

Audio input: Bluetooth, TF card, AUX

Number of channels: two channels

Size: 92 * 85 * 20MM

Installation aperture: 3MM

Installation hole distance: 85 * 5 * 78.5MM


Bluetooth operation instructions:
When the power amplifier board is connected to supply the power and the Bluetooth is not connected, the Bluetooth indicator will flash quickly. When the Bluetooth connection is successful, the Bluetooth indicator does not flash. When the song is played, the Bluetooth indicator will flash slowly.

Bluetooth / TF card volume hole:

If the audio input uses Bluetooth or TF card, you can connect the power cable to the "+ VOL-" three holes, the volume and switch songs.
1. "+" and "VOL" connection: increase the volume
2. "-" and "VOL" connection: reduce the volume
About select Audio Input: The board will automatically select the last audio input. If you use the Bluetooth Audio input, and then connect the AUX, so the board will Automatic choose the AUX Audio input!