Pre/Post DI Unbalanced output can drive a power amp AGS circuitry Cut and boost of treble, mid and bass frequencies Fully sweepable midrange frequencies Powered by two nine volt batteries, phantom power or optional universal power supply Ground lift switch Heavy Duty steel construction Inputs: One 1/4″ jack Outputs: One 1/4″ jack, One XLR (nominal output – 14 dBu balanced) EQ: Bass +/- 18 dB @ 40 Hz, Mid +/- 17 dB @ 180 Hz to 1 kHz, Treble +/- 18 dB @ 4 kHz Controls: Ground lift switch, Pre/Post DI switch, Engage switch, AGS switch Optional: 18 volt power supply