Used MXR M66 / CL1 Classic Overdrive Effect Pedal

The used MXR M66 / CL1 Classic Overdrive delivers warm, vintage tone with smooth, responsive gain ideal for blues, rock, and classic country players. In great condition, this pedal delivers rich, tube-like overdrive through its simple 3-knob layout—Output, Tone, and Gain—making it easy to shape your sound. Housed in a rugged, road-ready metal chassis, it features true bypass switching to preserve your signal path when off. Powered by a 9V battery or external power supply (not included), the M66 is perfect for players seeking a reliable, great-sounding overdrive pedal with classic tonal character and a compact footprint.