The OMX Series OMX4 is a mixer designed to handle your live performances, as well as provide all the state- of-the-art tools you will need to create professional quality recordings. They feature premium mic preamps, studio- grade compressors, phantom power switch and PAD 26dB attenuator switch on all mono channels. All OMX series mixers boast an effective 3 band EQ; to adjust your High, mid and low frequencies. A rear panel USB I/O inteface sound cards allows you to send audio and receive audio data for playback or recording and a 16 bit DSP processor makes this series truly versatile.