Uncompromised dbx sonic integrity enhanced with a powerful array of flexible features define the dbx iEQ-31 Graphic EQ. You get AFS one-touch feedback suppression, Type V noise reduction, and PeakStopPlus limiting. Switchable ±6 or ±15dB boost/cut range; ±12dB input gain range; 40mm faders; and nonconductive nylon sliders give you precision command. 10Hz to 22kHz frequency response, 110dB dynamic range, 1/3-octave Constant Q frequency bands, and internal toroidal transformer. 1/4" TRS, XLR, and Euroblock balanced and unbalanced RF-filtered inputs and outputs.