Basic on Chinese type Mp3 decoder IC, cheap price. Can easily build many application like car play system, boombox, etc.


  • Super quality, onboard 2W mono amplifier (5V supply up to 3W) directly connected to the speaker (Recommended with 4Ω 3W speakers), 3.5mm gold plated headphone jack can be connected to headphones or an external sound.
  • With MicroUSB power supply interface, the use of mobile power supply or USB charger powered via phone lines, may also be 3.7V lithium battery, USB 5V power supply.
  • Support TF card (memory card in your phone), U disk playback mode.
  • With speaker terminals without soldering for easy wiring.
  • Module is designed to facilitate modification.
  • Power range: 3.7 ~ 5.5V
  • Size: 45mm * 36mm


  • It supports MP3 format, power automatically play when playing red LED status updates.
  • Flash disk support (tested 32G), TF card (tested 16G) Play mode; the default power mode TF card, TF card is not present if the automatic jump to U disk mode, and both devices have installed, you can manually set the playback mode, details key instructions.
  • Button to adjust up and down the track switch, volume + -, pause / play, mode switching, details key instructions.
  • Key settings can be “single / whole song” cycle, the default power cycle the whole song, press the “Repeat” button to replace the circulation mode

Button Operations

  • “Prev / V–” button: “Press” for the switch “on a” song, “long press” is “volume Decrease”
  • “Next / v ++” button: “Press” for the switch “next song” Song, “long press” is “volume increment”
  • “P / P / Mode” button: “Press” for the “Play / Pause” switch, “long press” U-disk, TF card “pattern”
  • “Repeat” button: “Press” for the “single / whole song” to cycle (no long press function)
  • “Long press” for about 2S
  • If you use U disk mode, it is recommended 5V power supply, and some U disk does not support 3.7V power supply.

Documentation of the schematic please refer to this page.

Additional information

Weight 0.015 kg

2 reviews for MP3 Decoder and Player Board, w/Amplifier

  1. 5 out of 5

    diazfjg (verified owner)

    It works so fine. I will order to more pieces.

  2. 4 out of 5

    bxmas13 (verified owner)

    Be aware this is only a mono MP3 decoder board.

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