Description
Based on the CSR8645 system-on-chip, this Bluetooth V4.0 audio module is engineered for intelligent wireless stereo audio transmission in compact, power-sensitive applications. It delivers a robust RF link with a Class 1/2/3 configurable transmit power up to 9dBm and a sensitivity of -80dBm, ensuring reliable connectivity over typical short-range distances exceeding 10 meters. The module operates across the global 2.4-2.480GHz ISM band and features advanced audio processing including dual-microphone far-end enhancements, noise suppression, automatic gain control, and packet loss concealment for clear voice and music playback.
The module’s architecture supports multipoint connections, allowing simultaneous HFP links to two handsets and A2DP streaming from two audio sources. Its low operating current profile and wide supply voltage range of 3.3V to 4.2V make it suitable for integration into portable speakers, wireless headphones, automotive audio adapters, and smart home sound systems. The physical interface includes dedicated pins for the six function keys, enabling direct control integration without requiring an external microcontroller for basic operations.
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