... Dynamic Range: >120dB, unweighted Noise Reduction Out: (+/-6dB range): Signal-to-Noise: >94dB, unweighted, ref: +4dBu, 22kHz measurment bandwidth ... Dynamic Range: >112dB, unweighted Noise Reduction Out: (+/-12dB range): Signal-to-Noise: >90dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth ... Reduction: Up to 20dB of dynamic broadband noise reduction Dual 31 Band Graphic Equalizer 2231