Guitar Effects: Pitch Shifter, Octave, and Harmonizer

Pitch Shifters, Octave, and Harmonizers alter the pitch of the guitar's signal to create their effect.

Octave or Octaver effects combine the guitar's signal with a duplicated signal raised or lowered an octave in pitch, creating a synthesizer type of sound. Both guitarists and bassists sometimes use octave effects to create a lower ranger and thicken up their tone.

Pitch Shifter effects alter the pitch of the guitar's original signal to create detuned and other pitch effects not limited to just an octave up or down from the original sound. Some pitch shifting effects can be used with an expression pedals.

Shop for Pitch Shifter, Octave, and Harmonizer Effects Pedals

Find the latest gear at American Musical Supply

Boss OC3 Super Octave

The Boss OC3 Super Octave Pedal gives guitarists high-quality octave effects with a single stomp. Three modes are provided, including a new Polyphonic Octave mode, a Drive mode with distortion, and the original OC2 mode. The versatile OC3 also has separate inputs for both guitar and bass. Octave Effects The OC3 picks up where the best-selling OC2 left off, giving guitarists two brand new octave effects.

Boss PS5 Super Shifter

The Boss PS5 Super Shifter Effects Pedal takes guitar pitch shifting to the next level! This next-generation intelligent (meaning it is key specific) pitch shifting pedal provides pitch shifting, harmonies, detuning and wild tremolo arm/flutter effects that bend single notes up or down to a pre-selected value when the pedal is activated. All this and more in one compact, easy to use pedal. Multiple Pitch Effects in One Pedal The PS5 Super Shifter does what no other BOSS pedal has done before-provide intelligent pitch shifting and a variety of tremolo arm-type effects in a single, very convenient pedal.

Electro Harmonix Micro POG Octave

The Electro Harmonix Micro POG makes your 6-string ring like a 12 or your 4-string bass pump like an 8. Convert your guitar into a tight, convincing bass. Generate organ-like harmonic structures. Fast, glitch free polyphonic tracking.

Eventide PitchFactor Harmonizer Pitch Shift

Stompbox simple, the PitchFactor includes Eventide's best pitch-changing effects without compromising quality or flexibility. Control your wet/dry mix or any combination of parameters right at your feet or thru MIDI. The reliable metal switches provide instant preset access in addition to years of service. Plus you can easily upgrade anytime by downloading new software from the internet and install it via USB. The PitchFactor has stereo instrument/ line level inputs and outputs so you can use it for any application.

Morpheus DropTune Pitch Shift

The Morpheus DropTune pedal provides instant polyphonic pitch drop, full octave drop or octaver effect.

DigiTech Harmony Man Intelligent Pitch Shifter

Introducing the Digitech HarmonyMan Intelligent Pitch Shifter! Following up on the success and rave reviews of our newly released Vocalist products, DigiTech decided to make a pedal with the same cool features but specifically designed for the guitarist. With the exclusive musIQ technology they were able to combine the lightning-fast natural sounding harmony generation made famous by the Vocalist pedals, and fuse it with the demands of professional guitarists everywhere.