Used MXR M66S Classic Overdrive Effect Pedal

The used MXR M66S Classic Overdrive delivers warm, vintage-style overdrive with simple Gain, Tone, and Output controls for easy tonal shaping. Housed in a durable metal chassis, this compact pedal is in Good condition and offers smooth saturation ideal for blues, rock, or boost applications. Featuring true bypass switching and powered by a 9V battery or adapter, the M66S is perfect for players seeking classic tube-like overdrive in a reliable, road-ready unit.