DBX 131S Single 31 Band Graphic EQ Exceptional sound and rugged reliabilityWhen the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx EQ’s are theindustry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 131s meetsthe needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforwardcontrols.The dbx 131s includes a single 31-band channel of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dBboost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hzto 50kHz frequency response and 110 dB dynamic range to the quality componentry and meticulous attention to detail, the131s 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 rightfulplace in the lineage of great dbx signal processors that are the professional’s choice in signal processing. With suchaffordable quality, there’s no longer any excuse for compromising your sound.INPUTS : Connectors: 1/4” TRS, female XLR (pin 2 hot) Type: Electronically balanced/unbalanced, RF filtered Impedance: Balanced 40kO, unbalanced 20kO Max Input Level: >+21dBu balanced or unbalanced CMRR: >40dB, typically >55dB at 1kHz OUTPUTS : Connectors: 1/4” TRS, male XLR (pin 2 hot) Type: Impedance-balanced/unbalanced, RF filtered Impedance: Balanced 100O, unbalanced 50O Max Output Level: >+21dBu balanced/unbalanced into 2kO or greater >+18dBm balanced/unbalanced (into 600O) SYSTEM PERFORMANCE : Bandwidth: 20Hz to 20kHz, +0.5/-1dB Frequency Response: 50kHz, +0.5/-3dB Dynamic Range: Typically >112dB Signal-to-Noise: Typically >95dB THD+Noise: <0.003% Interchannel Crosstalk: <-90dB, 20Hz to 20kHz FUNCTION SWITCHES : EQ Bypass: Bypasses the graphic equalizer section in the signal path Low Cut: Activates the 50Hz 12dB/octave high-pass filter Range: Selects either +/- 6dB or +/- 12dB slider boost/cut range POWER SUPPLY : Operating Voltage: 100-240VAC 50/60Hz Power Consumption: 15W Mains Connection: IEC receptacle PHYSICAL : Weight: 4.8 lbs.(2.2 kg) Shipping weight 6.2 lbs. (2.8 kg) Dimensions: 1.75” (4.4cm) H x 6”(15.24cm) D x 19” (48.26cm)