The emphasis with the Soundcraft EPM is very firmly on quality build and audio performance, with an easy to understand control surface uncluttered by unnecessary facilities, and Soundcraft have brought new technologies and ideas to this very cost-effective range. The audio mixing console shall be a self-contained unit, complete with input, output and master sections and an integral switched mode power supply capable of operating under various AC voltage inputs from 90VAC to 240V AC. The audio mixing console shall have 12 mono input channels, two stereo input channels and a stereo mix master output. It shall be possible to have the audio mixer mounted on a desktop or rack-mounted through optional rack mounting ears, and shall be of a rugged steel panelled construction. All jack sockets shall be of a metal construction.