The Microchip BM64 stereo audio module is a fully-certified Bluetooth 5 module for designers who want to add Bluetooth wireless audio and voice applications to their products. This Bluetooth SIG certified module provides a complete wireless solution. It supports HSP, HFP, SPP, A2DP (Sink), and AVRCP profiles and AAC and SBC decoding. Bluetooth Low Energy supports standard Generic Access Service, Device Information Service and a proprietary service for data communication. Microchip Wireless Concert Technology (WCT) for speakers uses Multi-Speaker (MSPK) firmware to stream A2DP music to multiple speakers from one audio source, such as a smartphone. This unique solution delivers tight synchronization among the speakers to deliver uninterrupted, distributed audio. Use personal sharing groups to easily pair speakers and assign master and slave roles via the Microchip Bluetooth Audio (MBA) Mobile app.

On-board Bluetooth stack
Transparent UART mode for seamless serial data over UART interface
System configuration with GUI UI tools
USB firmware update
I2S and analogue audio outputs
PCB antenna
Internal battery regulator circuitry
Compact surface mount module