FEATURES 4/7 standard imputs 5 balanced MiC/LINE inputs 3 band frequency equalizer Insert jack on mono channel 2 stereo input. 1-5 phantom power Tape imput&output Internal professional digital effect processor Two level LED Indicate display 1 AUX output SPECIFICATION Model F-4 F-4USB F-7 F-7USB Channel MIC/Line 4CH 7CH THD /=-82dB Max Output 4V Max Input Sensitivity 4V Max Input EQ HI:12KHz,+/-15db, MID:600Hz,+/-15db, Low:80Hz,+/-15db Effector Echo Power Consumption 30W