Besides including two 31-band channels of 1/3-octave equalization, the 231 also offers +12 dB input gain range; switchable +6 or +12 dB boost/cut range; XLR, 20mm faders and 1/4'' inputs; nonconductive nylon sliders; and an intuitive user interface with comprehensive output and gain reduction metering. As always, the inevitable result of our meticulous attention to detail and topquality componentry is exceptional sound, performance, and reliability.