DBX 231 Graphic Equalizer

The dbx 231 Dual 31-Band Graphic EQ is the end-result of a quest for exceptional sound, performance and reliability. Dual-channels, 31 - 1/3-octave bands, ISO frequency centers, ±12dB input gain range, switchable 50Hz/12dB per octave low-cut filters, 20mm faders, selectable 6dB or 12dB boost/cut range, XLR and TRS connectors, nonconductive nylon sliders, and balanced inputs and outputs for quiet operation. 2U rackmount.