Photo of Marshall Jackhammer JH-1 and more gear in a pedal

Marshall Jackhammer JH-1

^# 34

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$45.00 Price Tier: Standard

4.0 (93)

12 Reviews

This product is Vintage or Discontinued

Find out who is using Marshall Jackhammer JH-1

7 community setups

5 wishlisted

177 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 4, 2026.

Store

Reviews

Price

5.0 (25)

$45.00 25 available Used

View Deal

Average Price: $112

Standard/Professional

$80

$181+

Price Tier

In the Distortion Effects Pedals category, Marshall Jackhammer JH-1 is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

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Description

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Unleash your inner rockstar with the Marshall Jackhammer JH-1, a distortion pedal that doesn't just add a layer of grit to your sound, but completely transforms it. Designed for those with a taste for high-gain metal tones, this pedal packs a punch with an impressive amount of gain. But it's not just about the volume, the Jackhammer JH-1 allows you to shape your sound with a sweepable Contour control. Want to switch it up? The Mode switch offers dynamic overdrive and crunch sounds, making this pedal far more than a one-trick pony. Despite its power, this pedal is compact and sturdy, a perfect addition to any musician's board.

Key Features:

High-gain distortion for metal tones
Sweepable Contour control for shaping midrange sound
Mode switch for dynamic overdrive and crunch sounds
Seven controls offered through dual-concentric pots
Compact and sturdy design

Product specs

Brand	Marshall
Model	JH-1 Jackhammer Distortion Pedal
Finish	Silver
Year	2010s
Categories	Distortion Pedals

FAQs

What type of power supply does the Marshall Jackhammer JH-1 require?: The Marshall Jackhammer JH-1 distortion pedal requires a 9V DC power supply or a 9V battery for operation, making it compatible with most pedalboards and power setups.
Can the Marshall Jackhammer JH-1 be used for both guitar and bass?: Yes, the Marshall Jackhammer JH-1 can be used with both guitar and bass, offering versatile distortion tones suitable for various musical styles.
How does the Marshall Jackhammer JH-1 compare to other Marshall distortion pedals?: The Marshall Jackhammer JH-1 is known for its dual-mode operation, offering both overdrive and distortion modes, which provides a broader tonal range compared to some other single-mode Marshall pedals.
What are the key tonal characteristics of the Marshall Jackhammer JH-1?: The Marshall Jackhammer JH-1 offers a wide range of distortion tones, from subtle overdrive to aggressive, high-gain distortion, making it versatile for rock, metal, and blues genres.
Does the Marshall Jackhammer JH-1 have true bypass?: Yes, the Marshall Jackhammer JH-1 features true bypass, ensuring that your guitar's tone remains unaffected when the pedal is not engaged.

Videos

Add video

Portal Gitarowy

Marshall Jackhammer (JH-1) - demo, reamping test

Portal Gitarowy

Marshall Gov'nr GV-2+ vs Jackhammer JH-1 overdrive pedal comparison

gearmanndude

Marshall JH-1 Jackhammer Guitar Pedal

Roman Gostylo

Marshall JH-1 Jackhammer Pedal - Product Demo

Marshall Amplification

Marshall, what were you thinking? Jackhammer JH-1 Distortion Pedal Review (Pedal Vault)

Dome

Marshall Jackhammer JH-1 | BOSS Katana 50 Mk1 | Squier Affinity STRAT HSS

Charly G.- Sound & Demo

Marshall Jackhammer JH-1 overdrive + distortion

Gearfacts

Reviews

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PROS

Superb old school Marshall overdrive
Dynamically responsive with well-voiced equalization
Offers a wide gain range and voicing options
Versatile, from light drive to heavy distortion
Maintains guitar's natural tone and character
Built-in cab simulation for hands-on tweakers
Sturdy build quality
Features both overdrive and distortion modes
Equipped with a contour knob for tonal variety

CONS

Distortion channel less appealing to some users
Stacked pots can be tricky to adjust, may get stuck
Distortion mode can sound muffled or overly bass-heavy
Requires time to learn how to effectively tweak knobs
Some find it hard to balance OD and Distortion settings

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Marshall Jackhammer JH-1.

Features and functionality

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The Jackhammer JH-1 offers control over seven parameters, enhancing its versatility and appeal as an overdrive pedal.
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The mid parametric knob offers significant tonal versatility, allowing users to effectively mimic tones from bands like Guns N' Roses and Slayer.
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User experience

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Owners note the pedal's reliability and suitability for rock rhythms, with some returning to it after trying various other pedals.
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Owners appreciate the pedal's tonal shaping capabilities, particularly the Frequency and Contour controls, which can be adjusted to achieve a desired sound profile for specific musical styles.
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Owners find the distortion mode boomy, even with tone settings maxed on accompanying pedals, indicating a need for additional EQ adjustments.
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Use cases and applications

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While often marketed as a distortion pedal, some users primarily use it as a high-quality overdrive.
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Pairing the Jackhammer with a Les Paul and a Fender Deville 2x12 amp can deliver a satisfying distortion tone, despite mixed opinions.
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Comparisons

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Considered in decisions against the Boss SD-1 for its versatile tone-shaping capabilities.
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Seen as a "Silver Jubilee/JCM800 in a box," offering a unique alternative to the Boss OD-200 for those seeking a specific Marshall amp-like tone.
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Some users who switched from the Jackhammer to a Rat pedal found the latter more satisfying for their distortion needs.
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Mods and upgrades

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Running a Golden Horse or tube screamer pedal after the Jackhammer can cut low end and enhance mids, improving overall tone.
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Combining the Jackhammer with an Empress parametric EQ can resolve issues with its contour and frequency controls for better tone shaping.
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