Turn normal speaker to bluetooth applicable speaker impedance is 4 ~ 8m, perfect for converting regular speaker to a Bluetooth speaker. This amplifier board supports Bluetooth audio input and DC 5V voltage input by micro USB.

Specifications and Features : 

1. Amplifier Chip: PAM8403
2. Working Voltage: DC 5V.
3. Output Power: 2 x 3W.
4. Applicable Speaker Impedance: 4/6/8 ohm.
5. PCB Board Size: 42 x 25 x 5 (LxWxH)mm
6. Weight: 3 gm.
7. Dual-channel digital power amplifier Board PBTL.
8. 3W output and low power consumption.
9. The sound quality is very good by using this module.
10. Applicable speaker impedance: 4/6/8 ohm
11. Application: DIY Bluetooth speaker, home, and car audio system modification.

Package Includes : 

1 x Mini Bluetooth Audio Digital USB Power Amplifier Board