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Harmony & Octave Effects Pedals

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  1. Top Seller
    Electro-Harmonix Pitch Fork Polyphonic Pitch Shifting Guitar Effects Pedal
    $15820
  2. Top Seller
    Digitech The Drop Polyphonic Drop Tune Pitch-Shifter Guitar Effects Pedal
    $17995
  3. Top Seller
    Electro-Harmonix SYNTH9 Synthesizer Machine Pedal
    $22130
    Open Box:
    $194.74
  4. Top Seller
    Digitech Whammy Pitch-Shifting Guitar Effects Pedal
    $19995
  5. Top Seller
    Boss OC-3 SUPER Octave Pedal
    $12999
  6. Top Seller
    Boss PS-6 Harmonist Pitch Shifter Guitar Effects Pedal
    $14999
  7. Top Seller
    Digitech Whammy DT Drop Tune Guitar Effects Pedal
    $29995
  8. Top Seller
    Electro-Harmonix POG2 Polyphonic Octave Generator Guitar Effects Pedal
    $32670
  9. Top Seller
    Mooer Pitch Box Guitar Effects Pedal
    $5251
  10. Top Seller
    Earthquaker Devices Data Corrupter Modulated Monophonic Harmonizing PLL
    $2290
    Open Box:
    $201.52
  11. Top Seller
    TC Electronic Sub 'N' Up Octaver Pedal
    $12999
  12. Top Seller
    Behringer Ultra Octaver UO300 3-Mode Octaver Effects Pedal
    $2499
  13. Top Seller
    Electro-Harmonix Nano POG Polyphonic Octave Generator Guitar Effects Pedal
    $20290
    Open Box:
    $178.55
  14. New
    TC Electronic Nether Octaver Effects Pedal
    $5999
  15. Top Seller
    Electro-Harmonix B9 Organ Machine Guitar Effects Pedal
    $22130
  16. Top Seller
    Electro-Harmonix C9 Organ Machine Guitar Effects Pedal
    $22130
  17. Top Seller
    Tech 21 Richie Kotzen RK5 Signature Fly Rig Guitar Effects Pedal
    $2690
  18. Top Seller
    TC Electronic Sub 'N' Up Mini Octaver Effect Pedal
    $9999
  19. Top Seller
    Electro-Harmonix XO Micro POG Polyphonic Octave Generator Guitar Effects Pedal
    $21380
  20. Top Seller
    Electro-Harmonix Bad Stone Phase Shifter Guitar Effects Pedal
    $7350
  21. Top Seller
    Digitech Mosaic 12-String Guitar Effects Pedal
    $14995
  22. New
    Electro-Harmonix Slammi Plus Polyphonic Pitch Shifter/Harmony Effects Pedal
    $1680
  23. Price Drop
    Mooer LoFi Machine Sample Reducing Effects Pedal
    $660
  24. Top Seller
    Electro-Harmonix KEY9 Electric Piano Machine Guitar Pedal
    $22130
  25. Top Seller
    Electro-Harmonix The Ravish Sitar Synthesizer Guitar Effects Pedal
    $23760
  26. Top Seller
    MXR M-103 Blue Box
    $7999
  27. Top Seller
    Digitech Whammy Ricochet Guitar Effects Pedal
    $14995
  28. Top Seller
    Digitech Dirty Robot Guitar Effects Pedal
    $14995
  29. Top Seller
    Electro-Harmonix XO Octave Multiplexer Guitar Effects Pedal
    $7820
  30. Top Seller
    Electro-Harmonix Superego Synth Guitar Effects Pedal
    $2140
Results 1-30 of 214 
Page: 1 2 3 4  … 8 Next
The world of guitar and bass effects is a big one, with hundreds of unique stompboxes and effects units to choose from. Just about every player is familiar with the most common types, such as overdrive and distortion pedals, but there are tons of other effects to fill in all the little niches you may need to explore to create the sound you want. Harmonizer and octave effects pedals are the perfect examples of this: they're part of the pitch-shifting effects family, with the potential to dramatically transform your tone. These are the kinds of pedals to break out if you want to do things that would be impossible for a more common effects unit, when you really want to push the envelope.

For an example of what these pedals can do, let's start with a look at the straight-up pitch-shifting units. These are the sort of pedal that allowed Dimebag Darrell to pull off the insane 2-octave bends like in the solo work in "Becoming" - specifically, he used a DigiTech Whammy pedal, a few flavors of which you'll find in this section. Octave pedals are the most common type of pitch shift, and if you want to go all-out, they make it easy with options like the Electro-Harmonix POG2 Polyphonic Octave Generator Guitar Effects Pedal, which gives you control over multiple octaves at a time for a range of possible sounds that's just plain ridiculous.

If standard octave pedals aren't quite your cup of tea, maybe harmonizers are more up your alley. The Boss PS-6 Harmonist Pitch Shifter Guitar Effects Pedal is the quintessential example here, packing a boatload of versatility into its deceptively straightforward package. These stompboxes support blending in any common interval, creating a duet-like effect from a single guitar. You can think of them like chorus pedals with the added benefit of pitch-shifting to create an even more dynamic result - just the thing if you want a deeper, richer sound for that big solo. With a harmonizer's diatonic pitch-shift scales, there are all kinds of different harmonies available at the touch of a button.

Like any other pedal, every stompbox in the harmonizer and octave effects pedals family has its own individual personality and capabilities. So if you're not sure where to begin picking out the best one for you, try starting with the top sellers and see what the reviewers have to say about them. Nobody is more qualified to tell you what to expect from a pedal than someone who's played it, after all! Follow your instincts and factor in those peer recommendations, and you'll find the right harmonizer or octave pedal in no time.
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