Electro Harmonix Used Electro Harmonix XO Micro Q Tron Envelope Filter Effect Pedal

This used Electro-Harmonix XO Micro Q-Tron Envelope Filter is in great condition and delivers the classic auto-wah sound that responds dynamically to your playing. Compact and pedalboard-friendly, it features a responsive envelope-controlled filter with a switchable Q mode for enhanced tone shaping. The simple control layout includes Drive, Q, and Mode knobs, allowing you to dial in everything from subtle funk tones to extreme filter sweeps. Powered by a standard 9V power supply or battery, it's built to handle both studio sessions and live gigs. Perfect for guitarists, bassists, and keyboardists looking to add expressive, dynamic filtering to their sound.