SAMI-402 is an installation audio mixer in standard rack format, featuring 3 MIC/LINE Stereo inputs, 1 LINE Stereo input, 1 main mix output and one AUX/REC additional output. It includes a 3 band tone control section, Talkover (priority) function assignable to each MIC/LINE input over the mix bus, ST/MONO mix switch and MUTE port for external dry contact triggering.