Used Electro-Harmonix XO Q-Tron Plus Envelope Filter Effect Pedal

Used Electro-Harmonix XO Q-Tron Plus Envelope Filter pedal in fair condition offers classic auto-wah effects with added versatility. Featuring adjustable filter sweep, response, and decay controls, it delivers expressive tone shaping for funk, rock, or experimental styles. The FX loop allows external effects to modulate the filter path, while the switchable boost adds more punch. Runs on a 24V power supply (not included). Ideal for players seeking dynamic, vintage-inspired filter sounds with flexible control options.