* 2 MIC inputs,1 AUX input(MIC 1 has Mute function for emergency input).
* Decoder module supports USB / SD Card / MMC Card.
* File format: MP3/WMA.
* Play mode:play/pause; previous/next; vol+/vol-;equalizer.
* FM(Tuner) function, Treble and bass control, Remote control.
* Cooling fan and heat sink for over-heat protection.
* Short-circuit/Over-load/Over heat protection.
* 1.5U rack mount design, aluminum material, fashion appearance