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    Switchable IKA (Interactive Knee Adaptation) program-adaptive compression circuitry combines the advantages of hard-knee and soft-knee characteristics 
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    IRC (Interactive Ratio Control) expander/gate circuitry for virtually inaudible noise suppression 
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    Switchable dynamic Enhancer for brilliant, lively audio even with heavy compression 
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    IGC (Interactive Gain Control) peak limiting circuitry combines clipper and program limiter for reliable and inaudible protection against signal peaks 
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    Switchable Low contour filter prevents "pumping" due to low-frequency dominated compression 
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    Stereo couple function selectable for channels 1/2 and 3/4 
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    Separate 8-segment LED meters for input/output levels and gain reduction 
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    Selectable operating level (+4 dBu/-10 dBV) 
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    Servo-balanced inputs and outputs with ¼" TRS and gold-plated XLR connectors 
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    Internal switch-mode power supply (100 - 240 V~) for noise-free audio and low power consumption