Dbx 231 Graphic Equalizer

Dual-Channel 31-Band Equalizer When the pros need an EQ, they turn to dbx. The dbx 215s includes two 15-band channels of 2/3-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 frequency response and dynamic range, to the quality componentry and meticulous attention to detail, the 215s offers exceptional sound and rugged reliability that guarantees you will always sound your best.