EMB MIX7UB 19" Rack Mount 4 Channel Professional Mixer w/USB, Adjustable cross faders and more 19" RACK MOUNTED MIXER WITH USB INPUTS 4 STEREO CHANNELS, 1/4" BALANCED MASTER OUTPUT, ASSIGNABLE CROSS FADERS, ROTARY ZONE, BOOTH & CUE VOLUME CONTROLS 7 LINES, 3 MIC, 2 PHONO/LINE CONVERTIBLE RCA INPUTS, PUSH BUTTON CUE SECTION PER CHANNEL WITH LED INDICATOR MASTER, RECORD, BOOTH & ZONE RCA OUTPUTS, MASTER/MIC ASSIGNABLE ECHO EFFECT SWITCH WITH REPEAT & DELAY CONTROLS DUAL 10 BAND GRAPHIC EQ WITH ON/OFF SWITCH & LED INDICATOR, XLR-1/4" COMBO MIC INPUT, 2 BAND ROTARY MIC EQ & VOLUME CONTROLS, TALK OVER FEATURE, CUE/PGM FADER CONTROL ALLOWING CUE MIX