The dbx 231s is a professional dual channel 31 band graphic equaliser with a proven track record that spans four decades. The dbx® EQs are the industry standard for touring, studios, and audio installations; the 231s meets the needs of the most demanding sound reinforcement environments, while offering simple straightforward controls.

The dbx 131s includes two 31-band channels of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz to 50kHz 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.

Perfect for use 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.

• Dual 31-band, 1/3-octave Constant Q frequency bands
• Switchable boost/cut ranges of ±6 or ±12 dB
• Front panel bypass switch
• ±12 dB input gain range
• 4-segment LED ladders for monitoring output levels
• XLR and TRS Inpts and Outputs
• Frequency Response of <10Hz to >50kHz
• Dynamic range of greater than 108dB