Used MXR M66S Classic Overdrive Effect Pedal

The used MXR M66S Classic Overdrive pedal delivers warm, vintage overdrive tones with smooth, responsive gain. Featuring simple controls for Output, Tone, and Gain, it’s perfect for dialing in classic rock and blues sounds. This compact stompbox is built with durable metal housing and operates via a standard 9V power supply. In great condition, it’s an ideal choice for guitarists seeking reliable, classic overdrive in a pedalboard-friendly size.