The module can receive wireless audio/music signal from the souce (cell phone, PC w/BT adapter, etc), remote control, and output to a speaker or AUX.


This is a core module, it requests a few peripheral circuits, please try the development first, or make sure you can build it by yourself successfully. We will NOT provide fully detailed support to build and use it, please simply refer to the demo board.


ED8635-B Bluetooth stereo audio modules British CSR’s main chip design. High integration, small size, superior sound quality and other characteristics, external components can be achieved only with a few of its powerful features.

With a A2DP, AVRCP any Bluetooth audio devices and remote transmission control protocol (such as: Bluetooth-enabled mobile phones, Bluetooth stereo audio transmitter module, Bluetooth adapters, etc.) to establish a connection, receive high-quality wireless stereo audio stream, and enables remote control of the audio player.

Size and pin definitions ED8635-B compatible ED05-B, the user can upgrade the product without any changes under the premise, reducing product development time.


  • Built-in high-quality DAC converter circuit: 95dB SNR
  • Powerful built-in features of Kalimba DSP data processor, complete a variety of digital speech processing
  • Very small module size: 15x21mm, compatible with all product structure
  • Higher Bluetooth version: Bluetooth V4.0, high software compatibility
  • Very low power consumption: less than 2mA operating current
  • A far transmission distance: Class2 RF power levels of up to 20 meters
  • With high-quality audio transmission protocol: A2DP1.2, AVRCP1.4 remote control protocol
  • Call protocol with HFP V1.6
  • Simple Pairing Support
  • Support AUX input
  • RoHS compliant modules

Note: Do not provide At commands support, we can provide customize work (board name, password, etc) before shipment.

Wholesale price is $4.6 for 50pcs + order, $4.4 for 100pc+ order, price automatically update in the cart.

Additional information

Weight 0.01 kg

2 reviews for ED8635 Bluetooth 4.0 Audio Module

  1. yahnsolo

    Hi Chao!
    I have a Philips SHB9000 headset, based on an nice CSR 57E6. The sound quality is astonishing, and powerful output.
    Is the new 8635 version as good or better than this previous version? Some ppl complain about cheap BT Audio modules noise…

  2. Chao (store manager)

    Hi Yahnsolo,
    The sound quality of this serie module will be always good, it should not have any noises at all.

Add a review

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Product Enquiry