Graphic equalizer features one dual-channel model and one single-channel unit, all incorporating Peavey’s legendary low-noise, low-distortion design. Ruggedly constructed, QF series EQs have 45mm, center-detent control sliders enclosed in metal for durability. These two rack-space units also offer ±15dB gain control and an LED display indicating output level. Other shared features include switchable low-cut filters, +21dBu balanced inputs and outputs and bypass switches. QF series equalizer filters are set at ISO center frequencies within 3% accuracy.