Fermion DFPlayer Pro Mini MP3 Player w/ Onboard 128MB Storage (Breakout)

DFRobotSKU: RB-Dfr-974
Manufacturer #: DFR0768

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  • Fermion DFPlayer Pro Mini MP3 Player (Breakout)
  • Features onboard 128 MB High-speed Storage
  • Offers four controlling modes
  • Playback switch by button
  • Provides dual-channel
  • Supports analog U-disk

The Fermion DFPlayer Pro Mini MP3 Player w/ Onboard 128MB Storage (Breakout) supports four controlling modes: Arduino, AT command, on-board buttons, and ADKEY.

You can directly press the onboard button to play or switch music without using a controller. Moreover, this player module has a storage of 128 MB.

By using a USB cable, you can easily copy your favorite songs into this module to play them anywhere you want, or use it as a sound card for your PC or Raspberry Pi after connecting them.


  • DIY Plush Toys
  • Handmade Personalized Gift
  • Musical Alarm Clock
  • USB Sound Card
  • 1 x DFPlayer PRO - A MP3 Player
  • 2 x 2.54-6P Black Single-Row Pin


  • 23 x 24.5 mm / 0.91 x 0.96 inch (L x W)
  • Power Supply: 3.3 ~5 V
  • Operating Current: >20 mA
  • Storage: 128 MB
  • Audio Format: MP3, WAV, WMA, FLAC, AAC, APE
  • Communication: UART
  • Operating Temperature: -20 ~70 °C
  • Operating Humidity: 5 ~95 %RH

Customer Reviews

Based on 3 reviews
Problem when using in standalone application.

I have been attempting to use the DFPlayer Pro mp3 player for a sound effect on a project (as a stand-alone player, no microcontroller) and am having an issue. I have added one track to the player. My problem is that when I power up the player, it plays a prompt saying the word “music”. Only after this word plays can I trigger my own sound through "PLAY". Tech support for the manufacturer says this is a default function that can not be changed without purchasing extra hardware, soldering pin headers to the module and connecting it to a computer through a USB to TTL module for AT configuration. What happens if something goes wrong during this "hacking" would I be able to return the module? This is certainly not what I expected when purchasing a module that advertises standalone uses such as "DIY Plush Toys". I expected squeeze paw of stuffed lion → lion roars, not squeeze paw, lion says "music" then roars. I know I could use a microcontroller to solve it but they do advertise stand-alone use.

Great Product!!

I have had a couple of the DFPlayer modules with the sdcard and this version uses 128mb of RAM verses the sdcard. Although the RAM's capacity is much smaller, switching between tracks seems faster and it also has stereo output while maintaining its built in amplifier and "adkey" functionality. It however seems to have lost the "busy" pin.

Hard to beat for the price

It includes 128 MB so you don't need to buy an SD Card. It's only a problems if you need to put more than 128 MB of Mp3 but for sound effect in a project it's still perfect.

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