AudioB Pro Bluetooth Audio Receiver Module
If you want to build a simple Bluetooth amplifier board, the AudioB Pro Bluetooth audio receiver is a good choice for your project. This is a Bluetooth 4.1 stereo receiver based on CSR8635. We breakout pins to 2×10 2mm spaced male pins. You can easily integrate it into your project.

Differential signal output
Note:
- Quick press S2 to switch to the previous song; long press to reduce the volume.
- Quick press S3 to switch to the next song; long press to increase the volume.
- Press S1 to play or pause.
- Aux DET:
– Leave open: Aux in/Line in disabled.
– Connect to GND: Aux in/Line in enabled (MUTE control not available on this module).
Features:
- Bluetooth 4.1
- HFP V1.6
- HSP V1.2
- A2DP V1.2
- AVRCP v1.4
- Support for smartphone applications (APPs)
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