AudioB Plus Bluetooth Audio Receiver Module(Apt-X) - U.FL

If you want to build a simple Bluetooth amplifier board, AudioB plus Bluetooth audio receiver is a good choice for your project. This is a Bluetooth 5.0 stereo recevier. It supports Apt-X, and is based on CSRA64215. We breakout pins to 2x10 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

Single-ended signal output with headphone/small speakers

Differential signal output

Note:

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. 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 5.0
• Apt-X supported
• Low power consumption: 5mA@5V
• HFP V1.6
• HSP V1.2
• A2DP V1.2
• AVRCP v1.4
• Support for smartphone application(APPs)

Documents:

• How to change the BT name
• Bluesuite2.5.0
• Dimensions