TECH INFORMATIONPeak limiter to protect from clippingFrequency response: 20 - 20,000HzT.H.D: Less than 0.05%1U 2-channel compressor / limiter with gate / expander and enhancer functionsBalanced Input & Output with XLR and 1 / 4" connectorsSide - chain in / out via 1 / 4" TRS jackEXP / GATE threshold: OFF, 10dBComprehensive Gain reduction LED ladder, AUTO and IN LEDsS / N ratio: More than 94dBThreshold: -40dBu to +20dBuCompression ratio: 1:1 to ? : 1Attack time: 0.1 - 200 msecRelease time: 50 msec - 4 secondsEnhancer section with process levelDimensions (WxDxH): 483 x 217 x 44mm (19" x 8.5" x 1.7")Weight: 3.0kg (6.6 lb)