MP3 Module

FN-RM01 MP3 Audio Recording and Playback Module

Posted On July 15, 2019 at 11:11 am by / Comments Off on FN-RM01 MP3 Audio Recording and Playback Module


This is a high quality MP3 sudio recorder and player module. This module uses a SD card to store the sound files.

FN-RM01 is a high-quality MP3 audio recorder and player module, Flexible audio recording modes including MIC recording, Line-in recording and stereo 2-channel Aux-in recording, optional audio recording bit rates, multiple formats of audio files playback supported including MP3, WAV and WMA, and as well as simple communication control modes are the main advantages of this module, which can meet kinds of needs from customers.


  • Supports microphone(mono), line-in(mono), and Aux-in(stereo) audio recording modes.
  • Supports AD keys control mode(play/pause, next, previous, record, and stop).
  • Supports standard UART serial communication control mode.
  • Supports playback of MP3, WAV, and WMA formats audio files, with great sound quality.
  • Supports up to 48Khz sampling rate and 128Kbps bit rate of high-quality MP3 audio recording.
  • Supports USB sound card mode.
  • Use micro SD card and USB flash drive as the storage devices; supports max 32GB micro SD card and 32GB USB flash drive.
  • Supports FAT or FAT32 file systems.
  • Can freely replace sound files in the micro SD card via USB port.
  • Built-in 1W amplifier that can direct drive 8Ω / 1W speaker.
  • 32 levels adjustable sound volume.
  • DC 5V power supply.