131s Graphic EQ Single 31-Band Equalizer


Ships Directly from Manufacturer. Contact Us for Availability.

Exceptional sound and rugged reliability

When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx EQs are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 131s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.

The dbx 131s includes a single 31-band channel of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20 mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10 Hz to 50 kHz frequency response and 110 dB dynamic range to the quality componentry and meticulous attention to detail, the 131s offers exceptional sound and rugged reliability that guarantees you will always sound your best.

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. With such affordable quality, there's no longer any excuse for compromising your sound.

Recommended for: Portable, Tour.

• Single 31-band, 1/3-octave Constant Q frequency bands
• Switchable boost/cut ranges of ±6 or ±12 dB
• 12 dB per octave, 3 dB down @ 50 Hz 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 Response of <10 Hz to >50 kHz
• Dynamic range of greater than 108 dB
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 >+21 dBu balanced or unbalanced
CMRR >40 dB, typically >55 dB at 1 kHz
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 >+21 dBu balanced/unbalanced into 2k ohm or greater; >+18 dBm balanced/unbalanced (into 600 ohm)
Bandwidth 20 Hz to 20 kHz, +0.5/-1 dB
Frequency Response <10 Hz to >50 kHz, +0.5/-3 dB
Dynamic Range Typically >112 dB
Signal to Noise Ratio Typically >95 dB
THD+Noise <0.003%
Interchannel Crosstalk <-90 dB, 20 Hz to 20 kHz
Bypass Switch Bypasses the graphic equalizer section in the signal path
Low cut Switch Activates the 50 Hz 12 dB/octave high-pass filter
Range Switch Selects either +/- 6 dB or +/-12 dB slider boost/cut range
Operating Voltage 100-240 VAC 50/60 Hz
Power Consumption 15W
Power Connector IEC receptacle
Unit Weight 4.8 lb.(2.2 kg)
Shipping Weight 6.2 lb.(2.8 kg)
Dimensions 1.75" (4.4 cm) H x 6"(15.24 cm) D x 19" (48.26 cm) W
More Information
Weight 6.000000
Length 22
Width 11.5
Height 2.5
Manufacturer dbx by HARMAN
Manufacturer Model Number 131s
Manufacturer Part Number DBX131SV
UPC 691991401213
Write Your Own Review
You're reviewing:131s Graphic EQ Single 31-Band Equalizer