Used MXR M66S Classic Overdrive Effect Pedal

Push your tone from mild grit to singing lead sustain with this used MXR M66S Classic Overdrive in great condition. Designed for warm, amp-like drive, it delivers touch-sensitive breakup and rich harmonics that clean up with your guitar’s volume knob. Simple, stage-ready controls let you dial in Output, Tone, and Drive quickly, while true-bypass switching keeps your signal clear when disengaged. Runs on standard 9V power for easy pedalboard integration.