The Dunlop MXR Smart Gate Pro Rack Unit is the ideal choice for noise reduction, featuring three selectable ranges (Hiss, Mid, and Full) and a precise threshold trigger. It has two discrete channels and a handy Sync function to link the two for quieting a stereo signal. It also has true hardwire-bypass for each channel, selectable ground lift, and remote switching with status-indicating LEDs. Achieve noise-free performance without sacrificing tone.