EarthQuaker Devices Pitch Bay Pitch Shifter Pedal


The EarthQuaker Devices Pitch Bay  is an interesting polyphonic pitch shifter that also produces its own overdrive. With the ability to produce pitch down effects up to an octave along with pitch up effects to the same level you can tune this to create chords out of single note lines or completely shift the pitch of what you are playing.

Pitch Up, Pitch Down, Root

One of the things that really sets this apart from a lot of similar pedals is the ability to select specific semitones in the pitch up and pitch down section to run at the same time. Want a 5th down and 3rd up to create some interesting chords from single note lines- Done. Want to shift your entire tuning up a half step- Done. Want to create some synth sounds using both octave up and down at the same time as the root- Done.

Independent Volume Controls

The root, the pitch down and pitch up all have their own independent volume controls. This means you can blend in just a little bit of the effect if you want or you can go all out and completely get rid of the root note from your guitar and just have a mixture of pitch shifted wonder.

Built In Drive

The problem with a lot of pitch pedals is that they do not play well with overdrive. So Earth Quaker went and built a 1 knob overdrive that would work and incorporated it in to the pedal. Just crank up the gain control and let the overdrive come through your rig creating some great tones.

Here's what EarthQuaker say about the Pitch Bay Pitch Shifter Pedal

The Pitch Bay is a three part polyphonic harmonizer and distortion generator in one compact enclosure. It features two voices of adjustable polyphonic pitch shifting, one above the root and one below. Each voice can be adjusted by stepped semitones, from 1 semitone to 12 semitones (one full octave) above and below the root. Each voice (Pitch up, Pitch down and Root) has an adjustable mix control so they can be blended, cut or boosted to your hearts desire. The Pitch Bay also features an adjustable input gain that goes from clean to heavily distorted to unleash your inner hesher. This device has an all analog adjustable gain preamp, all analog signal path for the root, all digital pitch shifting engine and true bypass switching for activation. Each Pitch Bay is made one at a time by hand in the private beach front resort sector of Akron Ohio.



  • Pitch Up: Selects the upper harmony, 12 semitones starting at 1 above the root.
  • Pitch Down: Selects the lower harmony, 12 semitones starting at 12 below the root.
  • Gain: Turn clockwise to increase the gain.
  • Up: Level control for the upper harmony.
  • Down: Level control for the lower harmony.
  • Root: Level control for the root note.


4 5/8 x 2 1/2 x 2.25 with knobs


Our pedals take a standard 9 volt DC power supply with a 2.1mm negative center barrel. We always recommend pedal-specific, transformer-isolated wall-wart power supplies or multiple isolated-output supplies. Pedals will make extra noise if there is ripple or unclean power. Switching-type power supplies, daisy chains and non-pedal specific power supplies do not filter dirty power as well and let through unwanted noise. Do not run at higher voltages! Current draw is 100 mA.

Helpful Tips

Run before any dirt or boost pedals. Works great on keyboards, bass, vocals, drum machines and just about anything else you can plug in!


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