Used MXR M66S Classic Overdrive Effect Pedal

The Used MXR M66S Classic Overdrive delivers warm, vintage-inspired tone with its classic 100% analog circuitry. Featuring simple controls for Output, Tone, and Gain, this pedal offers smooth, responsive overdrive ideal for blues, rock, and beyond. Housed in a durable metal chassis and in great condition, the M66S adds rich sustain and harmonic complexity to any setup. Powered by a 9V battery or adapter (not included), it’s a trusted staple for guitarists seeking timeless tone.