The HQ 231 EQ features ART's FDC (Feedback Detection Circuit) found in ART equalizers. FDC shows you exactly where feedback is occurring making the proper attenuation of offending frequencies fast and easy.
The HQ 231 features Constant-Q filtering with ISO centers, variable high-pass and low-pass filters, LED-illuminated detented slide potentiometers, switchable +/- 6db or +/- 12 db boost/cut range, independent level and bypass controls and equalizer output metering.
Additional features include balanced XLR, active balanced 1/4", unbalanced RCA input and output connectors, a ground lift switch and switchable power line voltage.
The ART HQ 231 is useful for feedback elimination in a wide variety of situations, including live sound reinforcement, monitor mixes, nightclub and DJ applications, churches, offices and many more environments where equalization is essential.
The HQ 231 has an MSRP of $349.00 and features a three-year warranty.