Used MXR M66S Classic Overdrive Effect Pedal

Experience warm, vintage-inspired tone with the used MXR M66S Classic Overdrive pedal, in great condition. Featuring simple controls for Output, Tone, and Gain, it delivers versatile overdrive—from smooth boost to rich, gritty crunch. Its compact, road-ready housing ensures durability, while true bypass switching preserves your signal clarity. Perfect for blues, rock, or boosting solos, the M66S is a reliable choice for guitarists seeking classic analog warmth in a pedalboard-friendly design.