dbx 131s Single 31-Band Graphic Equalizer

dbx 131s Single 31-Band Graphic Equalizer

In stock
SKU: DBXGE131S Category:

dbx 131s is a single channel, 31 band, 1/3 octave graphic equalizer. The 131s includes ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. The 131s gives you exceptional sound and rugged reliability from its extended 10Hz to 50kHz frequency response and 110 dB dynamic range to the quality componentry and meticulous attention to detail.

Sure to find a home in the studio, on tour and with installed sound venues, the dbx 131s is destined to take its rightful place in the lineage of great dbx signal processors that are the professional’s choice in signal processing.


Single 31-band, 1/3-octave Constant Q frequency bands

Switchable boost/cut ranges of ±6 or ±12dB

12dB per octave, 3dB down @ 50Hz low-cut filter

Front panel bypass switch

±12 dB input gain range

4-segment LED ladders for monitoring output levels

XLR and TRS Inputs and Outputs

Frequency Repsonse of 50kHz

Dynamic range of greater than 108dB


Input Connectors: 1/4″ TRS, female XLR (pin 2 hot)

Input Type: Electronically balanced/unbalanced, RF filtered

Input Impedance: Balanced 40k ohm, unbalanced 20k ohm

Max Input: >+21dBu balanced or unbalanced

CMRR: >40dB, typically >55dB at 1kHz

Output Connectors: 1/4″ TRS, male XLR (pin 2 hot)

Output Type: Impedance-balanced/unbalanced, RF filtered

Output Impedance: Balanced 100 ohm, unbalanced 50 ohm

Max Output: >+21dBu balanced/unbalanced into 2k ohm or greater; >+18dBm balanced/unbalanced (into 600 ohm)

Bandwidth: 20Hz to 20kHz, +0.5/-1dB

Frequency Response: 50kHz, +0.5/-3dB

Dynamic Range: Typically >112dB

Signal to Noise Ratio: Typically >95dB

THD+Noise: <0.003%

Interchannel Crosstalk: <-90dB, 20Hz to 20kHz

Bypass Switch: Bypasses the graphic equalizer section in the signal path

Low cut Switch: Activates the 50Hz 12dB/octave high-pass filter

Range Switch: Selects either +/- 6dB or +/-12dB slider boost/cut range

Operating Voltage: 100-240VAC 50/60Hz

Power Consumption: 15W

Power Connector: IEC receptacle

Dimensions (WxHxD): 19 x 1.75 x 6″ (48.26 x 4.4 x 15.24cm)

Unit Weight: 4.8 lbs.(2.2 kg)

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