dbx 2215 Dual 15 Band Graphic Equalizer Revolutionary instant encode/decode Type III Noise Reduction in-circuit at the push of a button. Increases S/N ratio by up to 20dB Patent-pending PeakPlus Limiter threshold range from 0dBu to +24dBu (off) can transparently tame the wildest hits or the subtlest nuances of any signal An extremely high quality EQ, patent-pending Type III Noise Reduciton, and the elegant new PeakPlus Limiter all in one great sounding box Four segment LED bargraph for BOTH Gain Reduction AND Output Level offers the most comprehensive visual feedback available Status LEDs offer visual feedback for all settings on the front panel