Octave / Harmony / Pitch

“Marshmallow?” That’s a silly name for a pedal, we know.

But it totally fits. Sweet, fun, and probably best consumed in small doses, our Marshmallow makes weird gooey sounds with your favorite instruments.

At its heart, Marshmallow is a pair of pi

Used, in very good condition. Pedal functions perfectly and includes power supply, but no box. 

The Organizer is a polyphonic organ emulator designed to mimic the organ tones of yesteryear crossed with the highly unique “Guitorgan”. It has a warm and very analog feel with a hint of Leslie warble that is unlike other modern octave shifters. It is sim

The world’s best octave effect just got better! The POG3 is the most powerful pedal in Electro-Harmonix’s revered line of polyphonic octave generators that continues to inspire and captivate musicians of all styles. At its core, the POG3 delivers lightnin

The Sound Of Forming Crystals
Obsidiana is an octave layering engine in a polyphonic fashion, that sets itself apart from other octaves out there, multi-voice, two type filter options: 1 pole low pass, 2 pole resonant low pass filter, and a unique featur

The Tentacle is a classic analog octave up effect. It is the very same octave from our beloved Hoof Reaper pedal. We got so many requests to make this a stand-alone unit that we just had to make it a reality. You can now add an excellent, swelling octave

The Bit Commander is a monophonic analog guitar synthesizer with four octaves of vintage square wave synth tones. Its no-nonsense interface makes it easy to add or subtract octaves to create a wide variety of sounds without having to dial in envelopes or

The Data Corrupter is a monophonic analog harmonizing PLL with modulation. It takes your input signal and brutally amplifies it into a crushing square wave fuzz tone that is then multiplied, divided and modulated to create a wild, yet repeatable, three-vo