The Maxon OD9 Overdrive is a legendary effects pedal known for its warm, tube-like overdrive and dynamic response. This used unit is in good condition, with minor cosmetic wear but fully functional electronics. Featuring the classic analog circuitry and the coveted JRC4558D op-amp, the OD9 offers smooth, natural overdrive that responds beautifully to your picking dynamics. It includes controls for Drive, Tone, and Level, powered by either a 9V battery or optional AC adapter. The OD9 is housed in a rugged metal chassis with a true bypass switching system for transparent tone when disengaged. Ideal for blues, rock, and classic tones, it's a perfect choice for guitarists seeking that vintage overdrive sound in a reliable, road-ready unit.