AudioB Bluetooth 5.0 Multipoint Audio Receiver Module

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 multipoint stereo recevier, Based on CSR8675. We breakout pins to 2x10 2mm space male pins. You can integrate it to your project easily.

Single-ended signal output

Single-ended signal output with headphone/small speakers

Differential signal output

How to Use:

Master module:

1. Power up the module, Blue LED slow blink.
2. Double click S1 to set the module into Pairing mode. Blue LED fast blink. (Voice: Pairing)
3. Now, Your smartphone will be able to find a new Bluetooth device whose name is "CSR8675". Connect it.
4. You can play the music now. If you only use one module as a normal receiver. You don't need do the following steps.
5. Click S2, Set the module to transmitter mode.(Voice: transmitter mode)

Slave module:

1. Power up the module. Blue LED slow blink.
2. Make sure master module already worked correctly and in transmitter mode. Click S3 to set salve module into receiver mode. It will automatically search the master module. (Voice: receiver mode, searching)
3. Double click the S2 on the Master module. The master module will automatically search (30s) slave module. Both master and slave module will be connected. (Voice: searching)
4. The slave module can play music now.
5. If there is a new module to join as a slave modue. Just click S3 on new module and Double click S2 on Master module.
6. If a slave module wants to quit. Click S2 on that module.

Note: If you don't hear the voice prompt when clicking S2,  please click the S3 to switch the mode and then click S2 again.

Features:

• Bluetooth 5.0
• Multipoint connection
• Qualcomm cVc audio technology
• Qualcomm TrueWireless Technology
• Stereo receive
• Effective transmission distance: 10-15m

Documents:

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