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KCX_BT003 is a multi-purpose Bluetooth audio decoder board that integrates Bluetooth audio, Bluetooth calling, and MP3 decoding. In Bluetooth mode, it supports matching various smartphone players in the market to play music and supports voice call numbers, answering calls/hanging calls/re-calling recent calls, Bluetooth background connection, and other functions. In music mode, it not only supports common MP3 format audio, but also supports decoding of high-quality audio formats such as WMA, WAV, and FLAC. Simply plug the decoder board into your design and upgrade your regular wired audio products to wireless Bluetooth audio products.

External button description:

  1. VOL-key: Short press: volume -, long press: volume continuous
  2. VOL+ button: Short press: volume +, long press: volume continuous +
  3. PREV button: Short press: Previous song, long press: Rewind
  4. NEXT button: short press: next song, long press: fast forward

P/P button: short press play pause/double click callback/long press mode switch (when U disk, TF card, USB AUDIO are not online, only press this button in Bluetooth mode without switching mode)

  • When you call: short press answer / long press reject
  • During a call: short press to hang up the current call
  • In Bluetooth mode: double click to call back the last call


  1. Excellent durability and coexistence
  2. Guarantee the stability of Bluetooth transmission through multiple technologies
  3. Intuitive LED indication
  4. Bluetooth 4.2 Version
  5. Easy to use
  6. Wireless transmission distance 10 meters
  7. Adopt the latest Bluetooth 4.2 protocol, backward compatible with other versions of Bluetooth protocol

Package Includes:

1 x Bluetooth V 4.2 MP3 WMA WAV FLAC Audio receiver Module


Operating Voltage Range

3.3V 5V DC

Current Consumption Range

30mA 50mA

Bluetooth Version


Working Frequency


Maximum RF Output Power


Receiving sensitivity


Dynamic Range


Total Harmonic Distortion




Signal to Noise Ratio


Audio Output Anti-Group                                               


DAC Output Power


Wireless Transmission Distance

10 meters

Board Dimensions (mm)

24 x 15

Weight (gm)


Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 295 (Inclusive of all Taxes)
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* Product Images are shown for illustrative purposes only and may differ from actual product.

Bluetooth Audio-ontvanger Module Audio Formaten MP3 WMA WAV FLAC Decoderen Board Lossless Bluetooth 4.2 Muziek Module Board

  • Product Code: EC-6456
  • Availability: 1
  • Rs.295.00
  • (Excluding 18% GST)