IPOD AUX input only

Built in MP3 Player Connect to USB/SD

4 Microphone Inputs 2 Front /2 Rear)

Individual Microphone Volume Control

Stereo Jack Audio Output For Headphone

Headphone Volume Control

Four Audio Input Source Selector

Microphone Treble Control

Microphone Bass Control

Microphone Echo Control

Music Treble Control

Music Bass Control

9 Steps Digital Key Control

Multiplex Channel Switching