Used MXR M66S Classic Overdrive Effect Pedal

Get classic, amp-like drive in a compact stompbox with this used MXR M66S Classic Overdrive in good condition. Designed for warm, responsive grit and smooth sustain, it delivers everything from light breakup to thicker crunch while keeping your guitar’s character intact. Simple top-mounted controls let you dial in Output, Tone, and Drive quickly, and true bypass switching helps preserve your clean signal. Runs on a 9V battery or standard 9V DC adapter.