Harmony / Pitch / Octave

The Triplegraph is a digital octave pedal designed by CopperSound Pedals and Jack White, featuring three proprietary telegraph keys and an integrated auxiliary loop. Utilizing a high-power DSP Blackfin Processor, Triplegraph triggers an octave down with...

HOW LOW CAN YOU GO?   Fusing classic BOSS octave tones with the latest tracking technologies, the BOSS OC-5 sets a new standard in octave pedal performance. Vintage mode provides a spot-on recreation of the legendary mono OC-2 from 1982, while Poly...

VERSATILE HARMONIST Meet the BOSS harmonist, with four intelligent pitch-shift effects and three-voice harmony in one convenient unit. Among the effect modes are Harmony, Pitch Shifter, and Detune, plus the all-new Super Bend for authentic pedal-bending...

POGCHAMP   The EHX Nano POG can simultaneously generate multiple octaves from your input signal. Whether you play single notes, arpeggios, or full chords, the Nano POG will precisely track every note or chord that you play.   With the Nano POG,...

ULTIMATE OCTAVE PEDAL!  The MXR Poly Blue Octave brings modern and classic pitch-shifting styles together with fuzz and modulation to create the ultimate octave pedal for tonecrafters and sonic seekers.   LEVELED UP. The Poly Blue Octave...