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If you want build a simple Bluetooth amplifier board, AudioB plus Bluetooth audio receiver can be a good choice for your project. This is a Bluetooth 4.0 stereo receiver with Apt-X support. It is based on CSRA64215. We have used breakout pins to 2x10 2mm space male pins. You can integrate it to your project easily. 

This module has an SMA connector. You can connect an external 2.4G antenna with it.

 

Single-ended signal output

Single-ended signal output with headphone/small speakers

 

Differential signal output

How to use the module?

  1. Quick press S2 to switch to the previous song, long press to reduce the volume.
  2. Quick press S3 to switch to the next song, long press to increase the volume.
  3. Press S1 to play or pause.
  4. Aux DET:  Leave open: Aux in/Line in disabled, Connect to GND: Aux in/Line in enabled (MUTE control not available on this module). 

Features:

  • Bluetooth 4.2
  • Apt-X supported
  • Low power consumption: 5mA@5V
  • HFP V1.6
  • HSP V1.2
  • A2DP V1.2
  • AVRCP v1.4
  • Support for smartphone application(APPs)

Documents:

 How long does it take to reach the USA, UK, Germany, Australia Canada and other EU countries?  

From China: If we ship from China, the delivery time can be from 7 working days to 15 working days. See the proof on the images below. US based orders are delivered more quickly than other countries.

Most of the USA, UK, Canada, Australia, and Germany  based orders are delivered within 7 days. However, because of customs related processes, it can sometimes take up to 15 days.  Check out all the shipment proof images on this page. 

From Australia: If you have chosen standard post, you will receive your parcel in 3-5 days (in Australia) and 5-7 days (outside Australia)

If you have chosen economy post, you will receive your parcel in 3-5 days (in Australia) and 15-25 days (outside Australia)

What is the proof that we really ship and they are delivered ?

 Check out all the shipment proof images on this page. 

Where do we ship from ? 

We ship our products from Australia and China depending upon what you purchase. BuildCircuit's original products are shipped from Australia. 

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