Electro-Harmonix The Worm

$109.00 Price Tier: Standard

3.5 (11)

This product is Vintage or Discontinued

Newer option

Electro-Harmonix XO The Worm

$104.00 - $123.40

4.0 (25)

Find out who is using Electro-Harmonix The Worm

4 wishlisted

26 saved

Page last updated Jun 19, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 19, 2026.

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Price

4.0 (2)

$109.00 14 available Used

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Average Price: $171

Standard/Professional

$150

$601+

Price Tier

In the Multi Effects Pedals category, Electro-Harmonix The Worm is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

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Description

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Dive into a world of sonic exploration with the Electro-Harmonix The Worm, an all-analog multi-effects pedal designed to push the boundaries of your guitar's soundscape. This innovative pedal combines classic modulation effects with a twist, offering a specially designed tone-bending engine that crafts oscillatory effects unlike any other. Whether you're looking to create swirling phaser sweeps, rhythmic tremolo pulses, expressive vibrato waves, or the intriguing depths of a modulated wah, The Worm has it all.

Perfect for both experimental musicians and traditionalists, this pedal's intuitive interface makes it easy to dial in your perfect sound, while maintaining the warmth and richness only achievable through analog circuitry. The Worm's versatility ensures it can seamlessly fit into any setup, whether you're performing live on stage or experimenting in the studio. Embrace the unexpected and let The Worm transform your music with its unique blend of classic and modern effects.

Key Features:

All-analog circuitry for warm, rich tones
Phaser, tremolo, vibrato, and modulated wah effects
Specially designed tone-bending engine for unique oscillatory effects
Intuitive interface for easy sound customization
Versatile integration into any musical setup

Product specs

Brand	Electro-Harmonix
Model	The Worm Analog Wah / Phaser / Vibrato / Tremolo (Large Box)
Finish	Black/Metal
Year	2000s

FAQs

What effects does the Electro-Harmonix The Worm pedal offer?: The Electro-Harmonix The Worm provides four classic effects: phaser, tremolo, vibrato, and a unique modulated wah. These effects can be used individually or combined to create a wide range of sounds.
Is the Electro-Harmonix The Worm pedal analog or digital?: The Worm is an analog multi-effects pedal, offering warm and rich tones typical of analog circuitry across its various effects.
Does the Electro-Harmonix The Worm come with a power supply?: Yes, the Electro-Harmonix The Worm includes a 24DC-100 power supply for convenient setup and operation.
Can the Electro-Harmonix The Worm be used with a bass guitar?: While primarily designed for guitar, The Worm can also be used with a bass guitar, though the tonal results may vary depending on the effect and settings used.
How does the new modulated wah effect in The Worm differ from a standard wah pedal?: The modulated wah effect in The Worm is automatically modulated, offering a unique and dynamic wah sound without the need for a foot pedal to control the sweep.

Videos

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EHX

Electro-Harmonix Worm Analog Wah / Phaser / Vibrato / Tremolo Pedal (Demo by Peter Stroud)

EHX

Electro Harmonix Worm

Fuzzville

Electro Harmonix WORM shootout old versus new version

gearmanndude

Electro Harmonix Worm

blondegraemey

Only Every Sound: Electro-Harmonix The Worm Pedal Demo

David Hiemstra Music

Video Manual: Electro Harmonix The Worm

Pedal Experiments

Electro Harmonix: The Worm (modulation pedal). Demo with 'Nose' expression controller

Gearfacts

Electro Harmonix The Worm Effects Pedal Demo - Auto Wah, Phaser, Tremolo, Vibrato

KIRT MILLAR BAND

Reviews

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PROS

Low noise, effective in front of distortion pedals or amps
Built like a tank, durable construction
Vibrato effect is intense yet maintains sound clarity
Tremolo effect offers a nice, smooth sweep
Unique sound that can reduce the need for multiple pedals
Versatile range of effects in one pedal
Great analog sound quality for the price

CONS

Loud switch noise, disruptive in quiet settings
Requires a separate 24V power adapter, incompatible with standard multi-adapters
Auto wah and phaser effects may not meet all users' expectations
Some units experience significant hiss or noise, especially in tremolo mode
Potential power supply issues, requiring specific voltage adjustments

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix The Worm.

Features and functionality

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The wah effect operates at a fixed rate without an expression pedal, differing from envelope filter types.
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The rate knob on The Worm is difficult to dial in precisely, leading to challenges in achieving desired modulation speeds.
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The Worm's phaser effect is more subtle and doesn't achieve the aggressive RATM phase sound.
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Use cases and applications

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The Worm is favored for use with Rhodes keyboards, adding unique modulation effects.
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The Worm is often the least used pedal on boards due to the difficulty in adjusting knobs to precise settings.
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The Worm's harmonic tremolo requires users to rethink traditional tremolo uses, offering a unique modulation perspective.
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User experience

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The tremolo effect is praised for its "wiggly" character, especially at slower speeds.
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Some users find the sound of The Worm "trashy" in demos, suggesting it may not meet everyone's tonal expectations.
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Used Worm pedals may have noise issues, which is a concern when purchasing second-hand.
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Setup and maintenance

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The Worm requires a 24V power supply, but can be used with a 12V output if you use a Truetone 1 SPOT TVD voltage doubler and a CL6 Converter to invert polarity.
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Owners have successfully powered The Worm with a Donner DP-1 power supply, indicating compatibility with other high-end PSUs when using additional cables.
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Comparisons

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The Mooer 90 Orange and Mod Factory are recommended as budget-friendly alternatives, offering a broader range of modulation effects for less than £40 used.
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