Keeley OCTA PSI Transfigurating Fuzz PedalImagine having your favorite pitch shifter, octave generator, and analog fuzz all in one pedal. A dual effect designed to inspire musical adventuring. That's what the new Octa Psi Transfigurating Fuzz is all about. The all analog fuzz and distortion features a powerful transistor design that will make any bass or guitar pickup sound massive. The fast tracking polyphonic pitch shifter offers a symphony of sounds to explore. Drop tuning, familiar and