Used Keeley OCTA PSI Effect Pedal

Used Keeley OCTA PSI in excellent condition, delivering bold octave-up and octave-down textures with smooth sustain for everything from fat riffs to soaring leads. This compact stompbox features true-bypass switching, standard 1/4" input/output jacks, and runs on 9V DC center-negative power for easy pedalboard integration. Dial in classic analog-style octave tones and punchy tracking that stands out in any mix.