This 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.

Product Name: Dual channel TPA3116 Bluetooth 5.0 power amplifier board
Input voltage: DC12-24V
Amp Chip: TPA3116
Bluetooth Version: 5.0
Output impedance: 4~8 ohm Speaker
Support Format:FLAC/APE/MP3/WMA/WAV
Current: ≥3A
Output power: 100W*2
Audio input: Bluetooth, TF card, AUX
Number of channels: two channels
Size: 96*86*20MM
Installation aperture: 3MM
Installation hole distance: 88*78MM

Note:
1. Use DC12-24V power supply.

2. Support Format:FLAC/APE/MP3/WMA/WAV

3. Pay attention to the positive and negative when connecting the amp to the speakers

Bluetooth / TF card volume hole:

When the audio input uses Bluetooth or TF card, you can connect the power cord to the “+ VOL -” three holes to adjust the volume and switch songs.
1. “+” and “VOL” connection: short connection to play the previous song, long connection to increase the volume
2. “-” and “VOL” connection: short connection to play the next song, long connection to reduce the volume