Harmonizer & Octave Effects Pedals

Electro-Harmonix Superego Synth Guitar Effects Pedal

Mooer Pitch Box Guitar Effects Pedal

DigiTech Whammy Pitch-Shifting Guitar Effects Pedal

ZVex Hand-Painted Jonny Octave Guitar Effects Pedal

Boss PS-6 Harmonist Pitch Shifter Guitar Effects Pedal

T-Rex Engineering Octavius Octave Guitar Effects Pedal

Electro-Harmonix POG2 Polyphonic Octave Generator Guitar Effects Pedal

Dwarfcraft Thumping Double Squaresnakes Synthesizer Guitar Effects Pedal

Rocktron Black Rose Octaver Octave Guitar Effects Pedal

Pigtronix Mothership Analog Synthesizer Guitar Effects Pedal

Electro-Harmonix Frequency Analyzer XO Guitar Effects Pedal

Electro-Harmonix Ring Thing Modulator Guitar Effects Pedal

Electro-Harmonix Classics POG Polyphonic Octave Generator Guitar Effects Pedal

Electro-Harmonix HOG Octave Generator/Synthesizer Guitar Effect With Expression Pedal

Electro-Harmonix Guitar Micro Synth

Electro-Harmonix Octave Multiplexer Pedal

Boss OC-3 SUPER Octave Pedal

Boss OC-2 Dual Octave

Electro-Harmonix MicroSynth XO Guitar Effects Pedal

Electro-Harmonix XO Octave Multiplexer Guitar Effects Pedal

Moog MF-102 Moogerfooger Ring Modulator

TC Electronic Vintage Octa Screamer Octave Guitar Effects Pedal

Danelectro DJ12 Chili Dog Octave Pedal

DigiTech Whammy Pedal with MIDI Control