Used MXR M66S Classic Overdrive Effect Pedal

This used MXR M66S Classic Overdrive pedal is in great condition, offering warm, vintage-style overdrive with rich tone shaping. It features simple controls for Output, Tone, and Gain, along with a Gain Boost switch for added versatility. Built with durable metal housing and true bypass switching, it delivers consistent, high-quality performance on stage or in the studio. Perfect for blues, rock, or adding grit to your clean tones. Powered via 9V battery or adapter.