Top 10 best-selling Pitch Shifter

Packed up in an ultra-slimline box, the OCT-01 Octo Ozzy polyphonic octaver adds an octave up and an octave down to your guitar sound. Set the octave levels and blend the dry and wet signals at will.

The Mooer Pitch Box delivers beautifully clean and painstakingly precise polyphonic pitch shifts, offering three modes - Harmony, Pitch Shift and Detune - to give you a massive amount of options.

Tune half a tone up or down with a single stomp with Digitech's Drop. It's a versatile pitch-shift pedal with 9 highly accurate polyphone drop-tuning options.

Thought things couldn't get any smaller than the Micro POG and Nano POG? Well, think again! Electro Harmonix just released the extremely compact Pico POG Polyphonic Octave Generator stompbox.

The Boss XS-100 Poly Shifter offers unprecedented possibilities for pitch shifting, while preserving the natural sound of your instrument. Suitable for both guitar and bass guitar.

The Digitech FreqOut seemingly conjures sweet, natural feedback from nowhere, whatever the volume and with or without distortion. Seven feedback flavours are included to satisfy all appetites.

The POG3 Polyphonic Octave Generator is the most powerful stompbox in Electro-Harmonix's POG Series, so expect mega-fast tracking and perfect polyphony across four octaves. Power supply included.

The Boss PS-6 Harmonist offers four intelligent pitch shift effects as well as 3-voice harmony in a single pedal. Spice up your sound with effect modes like Harmony, Pitch Shifter, Detune and Super Bend.

Boss reveals the next step in their famed OC Series of compact pedals: the OC-5. Compared to the OC-3, this fresh model boasts improved polyphonic tracking, extremely low latency and even the sounds from the OC-2.

The Digitech Whammy DT doesn't just set you up with one, but three legendary pitch shifters packed into a single, solid and iconic housing. Stack classic Whammy effects alongside Momentary and Shift on your humble pedalboard.