AudioB Plus Bluetooth Audio Receiver Module – U.FL


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SKU: G5883188839ADB

If you want build a simple Bluetooth amplifier board, AudioB plus Bluetooth audio receiver can be a good choice for your project. This is a Bluetooth 4.0 stereo receiver. It is based on CSR8635. We have used breakout pins to 2×10 2mm space male pins. You can integrate it to your project easily.

This module has a U.FL connector. You can connect an external 2.4G antenna with it by using a U.FL to SMA cable.

Single-ended signal output with Audio amplifer

Single-ended signal output with headphone/small speakers

Differential signal output

Microphone input

How to use the module?

  1. Quick press S2 to switch to the previous song, long press to reduce the volume.
  2. Quick press S3 to switch to the next song, long press to increase the volume.
  3. Press S1 to play or pause.
  4. If there is audio output, MUTE pin will be high level, otherwise, will be low level.


  • Bluetooth 4.0
  • HFP V1.6
  • HSP V1.2
  • A2DP V1.2
  • AVRCP v1.4
  • Support for smartphone application(APPs)


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