Used MXR M66S Classic Overdrive Effect Pedal

Looking for rich, vintage overdrive tones? This used MXR M66S Classic Overdrive Effect Pedal delivers warm, tube-like gain in a compact, road-ready package and is in great condition with only minor signs of use. Designed with classic analog circuitry, it features controls for Output, Tone, and Gain, allowing for a wide range of overdrive textures—from a smooth blues crunch to gritty classic rock. Powered by a 9V battery or optional AC adapter, the M66S is housed in a durable metal chassis built for life on the road. Perfect for guitarists seeking a responsive, touch-sensitive overdrive, this pedal is a reliable addition to any rig.