Skip to main content
LIVESaturday, 25 July 2026
LATEST

Keeley Octa Psi: A 3-in-1 Pedal Powerhouse

Keeley Octa Psi: A versatile 3-in-1 pedal combining pitch-shifting, octave generation, and analog fuzz for a truly unique sound

Contains affiliate links

Keeley Octa Psi pedal

Keeley Electronics has released a new pedal that will turn heads: the Octa Psi Transfiguring Fuzz. This versatile stompbox combines pitch-shifting, octave generation, and analogue fuzz into a powerful package. With its extensive features and intuitive controls, the Octa Psi could be your rig's only pedal.

A Labor of Love

The Octa Psi is the culmination of three years of development by Keeley Electronics. Robert Keeley and his team poured their hearts and souls into creating a pedal that would exceed the expectations of even the most demanding players.

The Octa Psi's Versatile Features

  • Pitch-shifting: Offers a wide range of intervals, including +/- two octaves.
  • Octave generation: Provides a variety of octave options, including up, down, and dual.
  • Analog fuzz: Delivers classic, gritty fuzz tones with customizable EQ and bass response.
OCTA PSI Transfigurating Fuzz
Transfigurating Fuzz

Intuitive Controls and Flexibility

  • Dual control circuits: Separate controls for the octave and fuzz effects.
  • Reversible effect order: Switch the order of the fuzz and pitch-shifting effects for unique tonal possibilities.
  • True and silent buffered bypass: Choose between preserving your original signal or maintaining a clean tone during bypass.
  • Adjustable ramp speed: Control the speed of the pitch-shifting effect.
  • All Wet or Wet/Dry modes: Experiment with different blending options for the octave and fuzz.

Guitar Bomb Verdict

The Keeley Octa Psi is a remarkable 3-in-1 pedal that offers a wealth of tonal possibilities. With its versatile features, intuitive controls, and exceptional build quality, it's a must-have for any guitarist seeking a truly unique and powerful fuzz/octave effect.

More Information

Video

Jef Stone
Jef Stone
Founder and editor of GuitarBomb. Jef has been writing about guitars, effects pedals, and music gear for over ten years, covering everything from breaking gear news and leaks to hands-on reviews.