Product Description
This all-in-one MP3 lossless decoding board integrates audio decoding and power amplifier function, easy to use and stable performance.
It supports MP3 music format, auto play after power on, red LED indicator shows working status clearly.
Default play TF card first, automatically switch to U disk mode if no TF card inserted. You can manually switch playback mode freely. Built-in complete function keys realize full audio control.
Product Specifications
- Working Voltage: DC 3.7V - 5.5V
- Supported Playback: TF card / U disk
- Max Supported Memory: TF card up to 16G, U disk over 32G
- Supported Format: MP3
- Structure: Exquisite double layer board, large area copper laying
- Product Size: 45*36mm
- Working Indicator: Red LED working light
Button Functions
- Short press: Previous / Next track, Play / Pause, Mode switch
- Long press about 2 seconds: Volume increase & volume decrease
Key Features
✅ Built-in power amplifier circuit, no need extra amplifier module
✅ Auto power-on play, easy operation for DIY audio projects
✅ Intelligent playback mode automatic switching
✅ Complete physical keys for full function control
✅ Wide voltage 3.7-5.5V power supply, compatible with lithium battery and USB power
✅ Anti-static packaging, effectively prevent static damage during transportation
✅ Stable circuit design, low noise and smooth music playback
Usage Notes
1. It is recommended to use 5V power supply when using U disk playback, some U disks cannot work normally under 3.7V voltage.
2. Long press operation needs to keep pressing about 2 seconds to take effect.
3. Please store and install properly to avoid static electricity damage.
4. Due to light and display difference, there may be slight color deviation.
5. Manual measurement size exists 1-3mm reasonable error.
Application
DIY small speakers, portable music player, audio toy modification, home mini audio equipment, voice prompt player etc.
Package Include
1 × MP3 Lossless Decoder Board with Amplifier
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