The DBX 2231 is a professional dual‑channel 31‑band graphic equalizer designed for precision sound shaping in live and installed audio systems. It features Type III™ Noise Reduction, which improves signal‑to‑noise ratio by up to 20 dB, and the PeakPlus™ Limiter, offering adjustable threshold protection from 0 dBu to +24 dBu. With switchable ±6 dB or ±15 dB boost/cut, +12 dB input gain, and balanced XLR, ¼″ TRS, and barrier‑strip connections, the 2231 is ideal for church sound, concerts, studios, DJ rigs, and rental systems. Its rugged build and intuitive interface make it a trusted choice for professional audio engineers.
Dual 31‑band, 1/3‑octave graphic equalizer
PeakPlus™ Limiter with adjustable threshold (0 dBu to +24 dBu)
Type III™ Noise Reduction for improved clarity
Switchable ±6 dB or ±15 dB boost/cut range
+12 dB input gain
Balanced XLR, ¼″ TRS, and barrier‑strip inputs
4‑segment LED ladders for gain reduction & output metering
Rugged metal chassis with non‑conductive nylon sliders