With a prestigious heritage extending back to the heralded 30 series equalizers, the dbx 2231 dual 31-band graphic equalizer easily lives up to the referred dbx reputation. Besides including two 31-band channels of 1/3-octave equalization, the 2231 empowers you with flexible features like the peakplustm limiter circuit and the amazing type iiitm noise reduction system. It also includes ±12 db input gain range; switchable ±6 or ±15 db boost/cut range; xlr, barrier strip, and 1⁄4” inputs; nonconductive nylon sliders; and an intuitive user interfce with comprehensive output and gain reduction metering. As always, the inevitable result of dbx 2231 dual 31-band graphic equalizer meticulous attention to detail and top-quality componentry is exceptional sound, performance, and reliability.