amplifier module--mp3 player board
1.mp3 player board with MCU control
2.bulit-in amplifiler mp3 board
3.stable performance

 amplifier module--mp3 player board

Feature
1. control by MCU or pushbuttons
2.play mp3 files selected by serial command
3.With play/pause, next, prev. vol-,Vol+ button interface
3.Mp3 files save in SD card
4. Built in  two TDA2030A amplfier IC
5.Stereo audio output
6. DC12V power

7. Supports MP3 format,stereo audio output
8. Supports for 32Mb to 2GB of SD card.
9. Powerful anti-jamming with stable performance
10. Play 10 different mp3 files by corresponding connected buttons/ switches, or change program to become matrix control , so can play 30 songs by buttons .

Technical Parameters  
*Operating voltage: AC8 ~ 18V,or DC8~18V
*Rated output: 10W × 2 (RL = 8Ohm d = 1%)
*Frequency response: 20 ~ 20 KHz
* Voltage noise: ≤ 50MV
*S/N(signal to noise ratio): ≥ 86db
*Plate Size: 150 × 80mm

Applications

1. mp3 bell , door bell / chime play mp3 music

2. Graden ,  banks , schools , hosplitals , etc .

mp3 module,mp3 player , embedded audio module , serial mp3 module