Used Z VEX WAH Effect Pedal

This ZVEX Probe Wah is a unique piece of pedal history! Using no moving parts, this wah operates via a copper plate in a manner similar to a theremin! Producing a unique wah effect, this handmade pedal requires no power (it is passive) and offers true bypass switching. A drive knob adjusts overall volume and resonance, and two internal trim pots are accessible from the back below the SN and date of manufacture. Pick up this great piece of ZVEX history today!