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GPD2856 USB and microSD Card MP3 Player Module
Item # 16085
MP3 Decoder/Player Module


Description: This MP3 decoder board can play MP3 files from a USB flash drive or from a MicroSD flash memory card. The player has decent sound quality, an on-board 2W mono amplifier, and can be directly connected to a speaker. It also features a 3.5mm gold plated headphone jack that can connect headphones or an external audio amplifier.

Multifunction Buttons: Prev / Next / Play / Pause / Repeat / Volume up / Volume Down.

This module contains onboard 8002 IC ( 2.0 Watt Class-AB audio power amplifier)

●  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 amplifier board.
●  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), USB disk playback mode.
●  Screw speaker terminals without soldering for easy connection to speakers.
●  Module is designed to facilitate modification.
●  Chipset:
  - Main Chip: GPD2856C
  - Audio Amplifier: 8002A  (3 watts audio power amplifier)
●  Power range: 3.7 ~ 5.5V.
●  Size: 45mm x 36mm.

Product Overview:
●  Support MP3 format, playing power on automatically.When mp3 is played the red LED flashes
●  Support U disk (test 32G), TF Card (test 16G) play mode; power on default TF card mode, if the TF card does not exist automatically jump to the U disk mode,and both devices have installed,then you can manually set the play mode.For details please see the key operating instructions
●  Buttons can be adjusted up and down to control songs,volume up and down, pause or play, mode switching.For details please see the key operating instructions
●  Press menu button enter the single/all song play mode.The default mode is the all song mode when power up.Pressing the Repeat button can replace the circulating mode
Key Operating Instructions:
●  "Prev / V--" button: "Press" for switching previous song, "long press" for volume down
●  "Next/v++" button: "Press" for switching next song, "long press" for volume up
●  "P / P / Mode" button: "Press" for the "Play/Pause" Switch, "long press" for U disk, TF card mode
●  "Repeat" button: "Press" for “single/all song" mode(no long press)

●  "Long press" approximate 2S
If you use U disk mode, it is recommended 5V power supply, and some U disk does not support 3.7V power supply
What is GPD2856C chip:
The GPD2856 is a chip designed for MP3 players with FM radio and Line-In features. it is a product of  Generalplus Technology company in Taiwan. 

YouTube Videos:
Documents & Files:
GPD2856C Schematic
8002 Audio Power Amplifier Datasheet

$6.72  USD
per Unit

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