This is an Bluetooth audio board, can switch to play both role transmitter and receive. Based on CN JL Bluetooth chips.

In transmitter role:

It similar that acting like your smartphone, sending audio source to bluetooth receiver audio box.

  • Support audio in from AUX_IN 3.5mm ack, and transmit out
  • Support audio in from speaker, and transmit out (for example like a bluetooth wireless microphone)
  • Support to send MP3 audio source from U disk playback (customize only, not available on this standard board)
For role as a Bluetooth RX receiver:
  • Support dual sound channel output, so left +right
  • Support AUX 3.5mm output, to speaker.

Other Function:

  • Support to use as USB sound card and USB sound MIC
  • In chip battery charger circuit, support to use with battery.

More function is developing now, any updates we will update on wiki page. Also support customize.

Please notice microphone is not pre-soldered on board, you can do it yourself or add note to ask us to do it when you place order.

Simple paring device, speaking via bluetooth demo please see here.

More documentation is building here.

Additional information

Weight 0.015 kg

3 reviews for Bluetooth Audio Transmitter & Receiver Board EMBT-S02

  1. 2 out of 5

    Paul (verified owner)

    Worked as receiver, but could not pair with another board of the same type or other bluetooth receiver boards (tried 3 different receivers to check pairing but could not.P

  2. Paul (verified owner)

    Continued: I could not get it to function in transmitter mode to send audio from the “AUX” jack out to another bluetooth reciever

  3. Chao (store manager)

    Dear customer,

    We just made a demo video, see it here:

    Please double check the wiki page instruction, if not clear contact us by email to get support.

    Thank you. Best regards,

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