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Electro-Harmonix HOG Harmonic Octave Generator

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$499.99 Price Tier: High-end

4.5 (12)

1 Review

This product is Vintage or Discontinued

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Electro-Harmonix HOG 2 Harmonic Octave Generator

$439.00 - $557.00

5.0 (18)

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2 community setups

33 wishlisted

55 saved

Page last updated Jul 06, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 6, 2026.

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5.0 (7)

$499.99 1 available New

$215.00 10 available Used

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Average Price: $358

High-end/Boutique

$100

$301+

Price Tier

In the Harmonizer & Octave Effects Pedals category, Electro-Harmonix HOG Harmonic Octave Generator is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Standard

High-end

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Description

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Discover the extraordinary power of the Electro-Harmonix HOG Harmonic Octave Generator. This guitar synthesizer delivers a tonal feast, effortlessly generating numerous harmonic intervals and octave ranges. No need for specialized pickups; just plug in and enjoy artifact-free polyphonic tracking. From two suboctaves below to four octaves above your original pitch, it provides an astoundingly broad spectrum. It can even morph into a whammy pedal with its Pitch Bend mode. For quick preset changes, simply plug in the footswitch. Experience unmatched versatility and range with this indispensable guitar synthesizer.

Key Features:

Multi-functional guitar synthesizer
Provides artifact-free polyphonic tracking
Generates ten different harmonic intervals
Octave range spans from two suboctaves below to up to four octaves above original pitch
Includes Pitch Bend mode for whammy pedal transformation
Compatible with footswitch for quick preset changes

Product specs

Brand	Electro-Harmonix
Model	HOG Harmonic Octave Generator
Finish	Blue
Year	2009 - 2013
Categories	Octave and Pitch-Shifting Pedals

FAQs

What is the Electro-Harmonix HOG Harmonic Octave Generator primarily used for?: The Electro-Harmonix HOG is designed for creating complex harmonic textures by generating multiple octaves and intervals above and below your original guitar signal, ideal for experimental soundscapes and unique sonic layering.
Can the HOG Harmonic Octave Generator be used with a bass guitar?: Yes, the Electro-Harmonix HOG works well with bass guitars, providing rich harmonic content and octave effects that can enhance your bass lines by adding depth and character.
What are the standout features of the Electro-Harmonix HOG?: The HOG offers polyphonic pitch shifting, allowing you to generate up to 10 interval pitches simultaneously, along with a freeze function to sustain notes or chords indefinitely, making it versatile for creative sound design.
Does the Electro-Harmonix HOG require a specific power supply?: Yes, the HOG requires a 9.6VDC 200mA power supply, which is typically included with the pedal, ensuring it operates correctly and delivers optimal performance.
How does the HOG differ from other octave pedals?: Unlike standard octave pedals that typically offer one or two octave shifts, the HOG provides a full range of harmonic intervals and polyphonic capabilities, allowing for more complex and layered sound creation.

Videos

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EHX

Electro-Harmonix HOG Harmonic Octave Generator / Synthesizer (Demo by Dan Miller)

EHX

Electro-Harmonix HOG Harmonic Octave Generator / Synthesizer (Demo by Larry DeMarco)

EHX

Electro-Harmonix "HOG" Demo — Daniel Fisher on Guitar & Theremin

Sweetwater

Electro-Harmonix Tone Tips #10 - The HOG Twelve String Effect

EHX

Electro-Harmonix - HOG - Demo by Dan Miller - Harmonic Octave Generator- Synthesizer

JRR Shop

Reviews

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PROS

Handles full range of 4 string electric bass well
Can generate unique sounds like synths, organs, and bass guitar
Compatible with drum machines, creating beautiful broken drones
Offers interesting sounds with the use of an expression pedal
Non-standard power supply hole ensures dedicated power compatibility
Adds warmth and depth to instruments like cellos

CONS

Does not track notes lower than the low open "E" on a guitar for synthesized octaves
Setting levels can be tricky at times
Does not come with its own power supply, requiring an additional purchase
Tracking isn't incredibly fast, affecting quick note changes

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix HOG Harmonic Octave Generator.

Features and functionality

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The POG3 includes the ability to adjust the continuous Q control and detune slider spread, enhancing its versatility in sound shaping.
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Setting a long attack for the harmonics on the HOG is ideal for creating pads, drones, and organ-like sounds, as harmonics fade in at a controlled speed.
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The HOG's freeze+gliss mode offers evolving pads by freezing notes and manipulating harmonic intervals and filters, allowing smooth transitions to new chords.
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The HOG's freeze+vol mode allows sustained textures that can be faded in and out, enabling layered playing with an unaffected dry signal.
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The POG3 offers isolated pitch shifting specifically for the lowest note in a chord, similar to the Boss OC-3 and OC-5 models.
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The HOG lacks the POG2's dry attack feature, but offers extensive expression modes, including freeze, gliss, whammy, detune, wah, and filter modes.
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The POG3 can be used as a synthesizer module with no audio input when connected to a keyboard and MIDI input, offering stereo sound options.
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The HOG has an original note slider that allows for slow attack or fast decay by turning down the dry signal.
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Attack/decay sliders on the HOG are set separately for above and below voices, useful for adjusting treble harshness while maintaining bass attack.
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The octaved third in the HOG is major, making it suitable for powerchords and offering unique harmonic possibilities with minor diads.
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Use cases and applications

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The HOG's polyphonic tracking is particularly effective for creating complex layered soundscapes, suitable for genres like post-rock and post-hardcore.
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The pedal is seen as more suitable for recording rather than live performances due to its complex functionalities and need for manual consultation.
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Comparisons

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The Microsynth's analog 3-pole filter is perceived as superior in sound quality to the HOG's digital 4-pole filter.
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The POG3's glissando feature is noted as less effective compared to the HOG2, particularly when using MIDI.
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The HOG is described as more 'digital' and 'cyberpunk glitch' compared to the POG2, with perfect tracking even on complex chords.
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Setup and maintenance

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It's been reported that the expression pedal requires immediate calibration for optimal tracking in certain modes like the +0 octave sound.
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The HOG requires a 9V AC power supply with a 500mA draw, and should not be used with a DC adapter.
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Software and compatibility

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Some owners experience digital noise when using a Cioks DC10 power supply, indicating potential power compatibility issues.
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User experience

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Users report issues with the encoder knob/joystick combo, finding it unintuitive and difficult for quick adjustments during live performances.
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Owners note that 3 octaves above can sound shrill, but using the LP filter, resonance, and treble attack slider can mitigate this.
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