Used Donner KARMONIC SQUARE Effect Pedal

Discover creative modulation with this used Donner KARMONIC SQUARE effect pedal in good condition. Designed for guitar and bass, it delivers punchy, rhythmic square-wave style modulation with intuitive controls for shaping rate, depth, and tone to fit anything from subtle movement to choppy textures. Built in a compact, pedalboard-friendly metal enclosure, it features standard 1/4" input/output jacks and a 9V DC power connection for easy integration into your rig.