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.

dbx 231 Dual 31-Band Graphic EQ Features:

• Dual 31-band, 1/3-octave constant Q-frequency channels
• Switchable boost/cut ranges of 6dB or 12dB
• 12dB per octave-per-octave 40Hz Bessel low-cut filter
• Front-panel bypass switch
• ±12dB input gain range
• 4-segment LED ladders for monitoring output levels
• XLR and TRS inputs and outputs
• Internal toroidal transformer
• Frequency response of 10Hz-50kHz
• Dynamic range of greater than 108dB
• Signal-to-noise: 90dB