Dual channel (15 bands per channel) 2/3 octave filter sets ISO center frequencies within 3% accuracy 25Hz to 16kHz effective equalization range 45 mm, center-detent control sliders enclosed in metal for durability Constant Q filters 12dB boost/18dB cut per band 18dB per octave 40Hz low-cut filter with status LED +/-15dB gain control Improved Peavey FLS (Feedback Locating System) XLR and 1/4 inch TRS inputs/outputs for balanced or unbalanced operation 2 RU