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- CSRA64215 is a Bluetooth audio module from qualcomm CSR
- Bluetooth version V 4.2
- Support TWS features
- Support APTx APTx-ll (low latency) feature, provide higher quality audio music streaming. The receiver end must also support this to work together.
- Support I2S DAC output, or differential analog output, but firmware only allow one kind to be used, default firmware, module called “BT speaker”
- Extra features: A2DP V1.3, AVRCP V1.6, HFP v1.6, HSP v1.2, DI v1.3
- Support by our programmer/debugger, can change name, address, etc.
- On board 4MB SPI Flash
- There are slightly cheaper module in market too, you can look carefully on the board to see differences.
Differential Audio Analog, I2S