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

Used Electro-Harmonix XO Q-Tron Plus Envelope Filter pedal in great condition, delivering classic auto-wah and funky envelope sweeps with that unmistakable EHX character. Choose Low Pass, Band Pass, or High Pass filtering, with adjustable Drive and Q (resonance) for everything from subtle quack to synthy peaks. Built in a compact XO enclosure and powered by standard 9V DC, it’s a versatile tone-shaper for guitar or bass.