MP3 Player Module for Micro SD Card, 5W RMS MP3 Player Module for Micro SD Card, 5W RMS
MP3 player module for micro SD card up to 32Mb. 5W rms speaker output. Play/Pause, Stop, Next, Last, Vol+, Vol- control inputs. 12Vdc powered... Electronics > Circuit Boards & Components > Printed Circuit Boards > Development Boards TR-21 TR-21 TR-21 8436544284132 34.27 Cebek UK
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MP3 Player Module for Micro SD Card, 5W RMS

MP3 Player Module for Micro SD Card, 5W RMS
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Cebek TR-21 (CTR021) - MP3 Player Module for Micro SD Card, 5W RMS
Pre-Assembled Module
  • MP3 player module for micro SD cards
  • 5W rms speaker output
  • digital volume adjustment 16 levels
  • Play/Pause, Stop, Next, Last, Volume +, Volume -
  • 12Vdc powered

View all Cebek Electronic ModulesThe Cebek TR-21 is an MP3 player module designed for use with a micro SD card of up to 32Mb capacity (not included). It allows you to play MP3 files previously loaded onto the card.

It provides a high power 5W RMS audio output to drive an external speaker (not included).

  • Playing different registers or MP3 audio messages stored on an SD card
  • Digital volume adjustment 16 levels
  • Direct to Speaker output (does not support connection to amplifier)
  • Control inputs: Play/Pause, Stop, Next, Last, Volume Up, Volume Down
  • Board will not autostart playback on power-up

Recording audio files :
The circuit does not offer automatic sequential playback of multiple audio files. If you need continuous playback of a number of different sequences, use MP3 editing software to merge them into a single file. You could use a free online program available at (opens in a new tab).

Operating Voltage12V dc e.g. Order Code CFE123
Current500 mA max
Output power5W RMS at 4 Ohms
Output impedance4 - 8 Ohms
Memory Card TypeMicro SD up to 32Mb
File FormatFAT / FAT32
Supported FormatMP3 audio 8 - 48 kHz and 20-320 Kbps
Volume ControlOn-board pot
Control InputsPlay/Pause, Stop, Last, Next, Vol+, Vol-
LEd IndicatorsPower / Play
Board Dimensions~ 72 x 76 x 30 mm
DIN Rail MountC7565
Board ConnectionsScrew terminal blocks
Product FormatPRE-ASSEMBLED Electronic Module
Product Format Info
Item Number:
Cebek TR-21 (CTR021)
Total Price:
£28.56 Exc VAT, £34.27 Inc VAT
Stock Info:
In Stock (Our UK Warehouse..)
Your Total:

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