The dbx 2-Series Graphic Equalizer series have been designed to meet the needs of the most
demanding sound reinforcement environments, while offering the simplicity of straightfor-
ward controls. The 131 provides not only offers standard features like single-channel, 31, 1/3
octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 50Hz/12
dB per octave low-cut filter, but also includes other insightful features. These features include
20 mm faders; selectable +/-6dB or +/-12dB boost/cut range for precise gain adjustments;
XLR, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet
operation. The visionary design of the dbx 2-Series makes your job easier.
The 2-Series represents a major step forward in the performance of entry-level graphic
equalizers. From its amazing 10Hz to 50kHz frequency response, to its 108dB dynamic
range, internal toroidal transformer, the 2-Series offers out of this world specifications with
a down to earth price point. Sure to find a home in the studio, on tour and with installed
sound venues, the 2-Series is destined to take its rightful place in the lineage of great dbx®
signal processors that are the professional’s choice in signal processing. With such afford-
able quality, there’s no longer any excuse for compromising your sound.
• Single 31-band, 1/3-octave
Constant Q frequency bands
• Switchable boost/cut ranges of ±6
or ±12 dB
• 12 dB per octave, 3dB down @
50Hz low-cut filter
• Front panel bypass switch
• ±12 dB input gain range
• 4-segment LED ladders for moni-
toring output levels
• XLR and TRS Inputs and Outputs
• Internal Toroidal Transformer
• Frequency Response of <10 Hz to
>50kHz
• Dynamic range of greater than
108dB
