dbx Professional 131S Single 31 Band Graphic Equalizer for Touring and Studios 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, 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. 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. Features 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 Response of 10Hz to 50kHz Dynamic range of greater than 108dB Specifications 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: 10Hz to 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 Unit Weight: 4.8 lbs.(2.2 kg) Dimensions: 1.75" (4.4cm) H x 6"(15.24cm) D x 19" (48.26cm) W ---------------------------------------------------------------------------------------------------------------- Echotone Music LLC is an experienced long time E-commerce Audio Musical instrument dealer since 1998. We take pride in selling quality gear for musicians, sound engineers, production companies and broadcast applications. Shipping --Items are well packed and shipped USPS, UPS or Pallet Freight Service. Items purchased on Friday may not ship until Monday or until the projected processing period. We are working hard to get your unit Built ( if needed), processed and shipped. Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided, otherwise customer pays for return shipping costs. Returned items must be sealed/unopened in original, brand-new condition, showing no signs of wear or use such as mount marks, plug marks, scratches, scuffs, dings or scrapes, screw mount marks or collateral material damage.. Items must also include all original packaging, manuals, warrantees accessories or your return may be subject to a return handling charge. Refunds or for the Item cost only. If the item was listed as free shipping then the cost of the shipment will be deducted from the units original cost. Gear returned with out all its original packaging, warranty cards and accessories or that shows signs of wear from use, will be subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. The following products cannot be returned - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, strings, reeds, computers, tubes, earbuds, earplugs, recorders, harmonicas, raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids, clothing/footwear, cleaners, polishes polishing cloths, software/soundware, books, CDs, DVD's, vinyl records, and videos. Happy customers, that's music to our ears!