Peavey's QF 131 is a single-channel, 31-band graphic EQ with low-noise and low-distortion design. The unit is contained in a 2U chassis, with 45mm center-detented fader controls with +/-15dB gain/cut, and an LED display displaying output level, and is ruggedly made for usage on stage or in the studio.
An 18dB per octave 40Hz low-cut filter switch with status LED helps remove rumble from open microphone systems, among other benefits. This graphic EQ's feature set includes balanced inputs and outputs, FLS (Feedback Locating System) circuitry for greater sensitivity, and bypass switches.