The Samson S-zone has all the features a system installer needs to control up to four zones of audio. It features 2 balanced mic and 4 balanced aux/line inputs with an innovative front panel control section that allows you to assign any of the four inputs to any of the four zones with just the push of a button. The front panel layout also has input and output volume controls, independent 2-band equalization, and an on board speaker for selectable zone monitoring. 4 channel / 4 zone stereo mixer 2 Mic/Stereo Line inputs with ducking 2 Stereo CD/Line inputs On board speaker and headphone monitoring Euroblock output connectors Remote volume control