This is a small high quality MP3 audio module. A SOP16 package type MP3 main control IC is adopted, so the module is smaller and has quicker response speed. This module has a SPI flash as the storage medium. Chang sound files via the mini USB to the SPI flash directly just like a USB flash drive without using any assistant PC software, which significantly improved operating efficiency. And it is built in a 3 watts amplifier on board that is able direct drive a 3W/8ohm speaker.
Supports MP3 audio format files, great sound quality.
Supports storage of max. 3584 MP3 sound files.
A 32Mbit(4MB)SPI flash memory is taken as the standard. Supports max. 128Mbit(16MB)flash.
Load/update MP3 sound files via the mini USB port directly on PC(USB flash drive simulation).
Supports key control mode and one line serial control mode.
Supports USB sound card function.
Built-in a 3 watts amplifier that is able to direct drive a 3W/8Ohm speaker.
16 levels adjustable sound volume.
Supports sampling rate 8Khz-44.1Khz, bit rate 8- 224Kbps, and 16bit of MP3 audio files
I am try to use this in key mode with the ADKEY line! I have wires hocked to power and ground! SPK+ and SPK- ! Then a wire to the ADKEY with resistors and a wire to stop! When I triger the ADKEY with a 1K resistor and stop with the stop button it will play my files in sequence and NOT play the same one over and over!