Simple, straightforward, and state-of-the-art.

The dbx 131 Single 31-Band Graphic EQ has balanced inputs and outputs for quiet operation. Single 31-band, 1/3-octave channel; ISO frequency centers; ±12dB input gain range; switchable 50Hz/12dB per octave low-cut filter; 20mm faders; selectable 6dB or 12dB boost/cut range; XLR and TRS connectors.

• Single 31-band, 1/3-octave constant Q-frequency channel
• Switchable boost/cut ranges of 6dB or 12dB
• 12dB per octave 3dB down @ 50Hz 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