Harmonizer & Octave Effects Pedals

Electro-Harmonix XO Micro POG Polyphonic Octave Generator Guitar Effects Pedal

MXR M-103 Blue Box

DigiTech Drop Tune Pitch-Shifter Guitar Effects Pedal

DigiTech Luxe Pitch-Shifter Guitar Effects Pedal

Electro-Harmonix B9 Organ Machine Guitar Effects Pedal

T-Rex Engineering Quint-Machine Guitar Octave Pedal

Catalinbread Heliotrope Harmonic Pixelator Guitar Effects Pedal

Electro-Harmonix Slammi Pitch Shifter/Harmony Effects Pedal

Moog Minifooger Ring Guitar Modulator Ring Effects Pedal

Mooer LoFi Machine Sample Reducing Effects Pedal

Mooer Pure Octave Guitar Effects Pedal

EarthQuaker Devices The Depths Optical Vibe Machine Guitar Effects Pedal

EarthQuaker Devices Arpanoid Polyphonic Pitch Arpeggiator Guitar Effects Pedal

EarthQuaker Devices Rainbow Machine Polyphonic Pitch Mesmerizer Guitar Effects Pedal

EarthQuaker Devices Bit Commander Octave Synth Guitar Effects Pedal

Boss MO-2 Multi Overtone Guitar Effects Pedal

Electro-Harmonix 8-Step Program Analog Expression Sequencer Guitar Effects Pedal

Electro-Harmonix HOG 2 Foot Controller

Electro-Harmonix HOG 2 Harmonic Octave Generator Guitar Effects Pedal

Electro-Harmonix RTG Random Tone Generator Guitar Effects Pedal

Electro-Harmonix 8-Step Foot Controller

Red Witch Synthotron Guitar Effects Pedal

Malekko Heavy Industry Omicron Series Envelope Filter Guitar Effects Pedal

EarthQuaker Devices Organizer Polyphonic Organ Emulator Guitar Effects Pedal