Original pre-owned Keeley OCTA PSI.

Virtually unused nice and clean with box.

Meet the OCTA Psi Transfigurating Fuzz – The Ultimate Combination of Pitch-Shifter, Octave Generator, and Analog Fuzz!

OCTA PSI Key Features

Instant Effect Order Switching: Easily switch between Octave/Pitch before or after fuzz by holding down both foot switches.
Flexible Output Configuration: Switch between All Wet or Wet/Dry blend with a quick double-tap of the Blend control.
Momentary or Latching Octave/Pitch: Switch between latching or momentary octaves for complete creative control, simply hold the Fuzz switch.
The Octa Psi is more than just a tool – it’s an extension of your instrument.

Polyphonic Octave and Pitch Shifter

Three Modes: Up, Down, and Dual modes for creating nearly every harmonic interval, including power chords, stacked fourths, and diminished chords.
Momentary Mode: Perfect for dive-bombs and wild multi-octave bends.
Adjustable Ramp Speed: For creatively timed pitch bending, just like having an onboard expression pedal.
Transfigurating Fuzz Circuit

All-Analog, Transistor-Based: Delivers incredible sound with wave after wave of gain staging leading to hard clipping.
Three-Way Tone Switch: Carve out the perfect fuzz tone with Scoop, Punch, or Psi mode.
Massive Sound: Makes your guitar pickups sound enormous at any volume.