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Bluetooth Audio Module- CSR8645 4.0

Bluetooth Audio Module- CSR8645 4.0

This Bluetooth Audio Module based on the CSR8645, it is an Intelligent wireless audio data transmission product, low price, and high-efficiency stereo wireless transmission. With this module, you will easy to make your muse wireless transmission.


  • Bluetooth V4.0
  • Power supply: 3.3-4.2V
  • Working current: ≤30mA

  • Bluetooth Profiles:

  • Bluetooth v4.0 specification support
  • HFP v1.6 wideband speech (HD voice ready)
  • HSP v1.2
  • A2DP v1.2
  • AVRCP v1.4
  • Support for smartphone applications (apps)

  • Improved Audio Quality :

  • 2-mic far-end audio enhancements
  • Near-end audio enhancements (noise suppression and AEQ)
  • Wind noise reduction
  • Packet loss concealment
  • Bit error concealment
  • Automatic gain control and automatic volume control
  • Frequency expansion for improved speech intelligibility
  • mSBC codec support for wideband speech

  • Music Enhancements:

  • Configurable 5-band EQ for music playback (rock, pop, classical, jazz, dance, etc)
  • APTX, SBC, MP3, AAC, and Faststream decoder
  • Stereo widening (S3D)
  • Volume Boost Additional Functionality Additional Functionality
  • Support for voice recognition
  • Support for multi-language programmable audio prompts
  • CSR's proximity pairing and CSR's proximity connection
  • Multipoint support for HFP connection to 2 handsets for voice
  • Multipoint support for A2DP connection to 2 A2DP sources for music playback
  • Talk-time extension

  • Package List:

  • 1 x Bluetooth Audio Module- CSR8645 4.0

  • Documents:

  • Datasheet
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    • Views: 11435
    • Product Code: MCB8645BT
    • Availability: Out Of Stock
    • $4.80