MXR M135 Smart Gate Smart Gate Noise GateGet the MXR M135 Smart Gate pedal for your guitar or bass rig, and say goodbye to noise. It doesn't matter if you play high gain amplifiers or have a noisy effects rack the M135 Smart Gate has three operation modes to tailor it to any kind of noise. And it's intelligent, so it responds slowly when you're holding sustained notes and responds fast when your playing speeds up. It'll never cut off your sustain, and won't suck your tone. So get the noise