XH-A158 PAM8403 Bluetooth 5.0 Amplifier Board DIY Audio Amplifier Board

1. Function: audio amplification 2. Power supply voltage: DC 5V 3. Bluetooth version: 5.0 4. Chip type: PAM8403 5. Channel quantity: dual-channel stereo 6. Output power: 5W x 2 7. Amplification factor: 4 times 8. Installation hole spacing: 3.8 x 3.5cm 9. Size: about 4.5 x 4.2 x 2.5cm 10. Weight: about 22g