ZVEX Mastotron

^# 9

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$159.00 to $181.00 Price Tier: Standard

4.5 (52)

1 Critic Review

4 Reviews

All time low price

Find out who is using ZVex Mastotron

7 community setups

Featured in

Best Fuzz Pedals for Guitar

60 wishlisted

203 saved

Page last updated Jul 07, 2026

Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated July 6, 2026.

Store

Reviews

Price

4.2 (32)

$179.00

View Deal

5.0 (27)

$159.00 12 available New

$109.99 11 available Used

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4.8 (60)

$183.00 $181.00 $2.00 · All time low

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Average Price: $157

Standard/Professional

$60

$181+

Price Tier

In the Fuzz Effects Pedals category, ZVex Mastotron is priced in the upper end of the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "ZVex Mastotron". Prices shown reflect NEW condition. Tracking began Apr 23, 2026.

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Description

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Unleash the raw power of your guitar with the ZVex Mastotron Fuzz Pedal. This silicon-based pedal is a sonic beast, ready to add a layer of rich, textured fuzz to your sound. With its controls for pulse width, tone, and volume, the Mastotron is designed for the discerning guitarist who craves precision and control. Despite its compact size, this pedal packs a punch, delivering a big presence that belies its small stature. Perfectly balanced between functionality and character, it is an essential addition to any pedal chain.

Key Features:

Silicon-based fuzz pedal, offering a rich, textured sound
Controls for pulse width, tone, and volume for precise sound sculpting
Compact design that delivers a big presence
Perfect for adding a unique fuzz accent to your pedal chain.

Product specs

Available since	May 2009
Overdrive	No
Distortion	No
Fuzz	Yes
Metal	No

FAQs

What type of fuzz circuit does the ZVex Mastotron use?: The ZVex Mastotron is a silicon-based fuzz pedal, providing a modern, aggressive fuzz sound with a wide range of tonal adjustments.
Can the ZVex Mastotron be powered using a battery?: Yes, the ZVex Mastotron can be powered by a 9V battery, and its low current draw ensures long battery life.
What controls are available on the ZVex Mastotron?: The ZVex Mastotron features controls for Tone, Fuzz, Pulse-Width, Volume, and Relax, allowing for versatile sound shaping.
Is the ZVex Mastotron suitable for bass guitar?: Yes, the ZVex Mastotron is designed to work well with both guitar and bass, providing a thick and punchy fuzz tone without losing low-end clarity.
How does the Relax/Push control on the ZVex Mastotron affect the sound?: The Relax/Push control adjusts the input impedance, allowing the pedal to accommodate a wide range of pickups and signal levels, from passive to active.

Videos

Add video

ProGuitarShopDemos

ZVex Mastotron Fuzz

ProGuitarShopDemos

ZVEX Mastotron Fuzz | Reverb Demo Video

Reverb

Zvex MASTOTRON fuzz guitar effects pedal demo with Tele & Fender Blues Jr amp

gearmanndude

ZVEX Mastotron demo video by Zachary Vex

Z VEX

ZVEX Mastotron Fuzz Pedal Review

Simon Smith

ZVEX Mastotron Fuzz Vs Catalinbread Perseus Fuzz - Fuzz Pedal Shootout

Simon Smith

"ZVEX Mastotron" vs "ZVEX Woolly Mammoth"

Kev_k_ life

ZVEX - Mastotron -Fuzz-

Dennis Kayzer

Zvex | Mastotron Demo

Megan L

Reviews

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PROS

Versatile across gain spectrum, maintaining clarity even at high gains
Offers unique suboctave options for a thunderous sound
Flexible for use with both guitar and bass
Intuitive knobs make it hard to get a bad sound
Unique gated sound options with pulsewidth and push/relax knobs
Compatible with various inputs, including analogue synths
Allows for extensive tone-shaping with multiple control knobs
Works well with both active and passive basses
Durable construction, suitable for long-term use

CONS

Subs switch is difficult to access on the fly
Power input placement can be inconvenient for pedalboard setup

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ZVex Mastotron.

Comparisons

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Owners note Mastotron excels in retaining bass and body compared to the thin, trebly tone of the regular Fuzz Factory on bass guitars.
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Users find the Mastotron superior to the 1968 Fuzzrite v2, particularly valuing its distinct gating capabilities and tone versatility.
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The Mastotron, a variation on the Woolly Mammoth, is favored for its massive sound with octave down effects, unlike the Fuzz Factory which struggles with similar setups.
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Features and functionality

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The Mastotron's pinch knob and subs control provide versatility in achieving various fuzz tones, including gated velcro and silicon fuzz face sounds.
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The gate feature in the Mastotron engages as you adjust the waveform, offering an interactive experience that enhances fuzz control.
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Unlike the Fuzz Factory, the Mastotron's flexibility in signal chain placement allows it to function effectively without being first, accommodating various pedal setups.
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Use cases and applications

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Mastotron is praised for its ability to create sludgey tones and emulate the iconic sounds of artists like Annie Clark, making it suitable for a wide range of styles.
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Owners use the Mastotron as their sole fuzz pedal, highlighting its capability to fulfill all fuzz needs without the need for multiple units.
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The Mastotron excels in creating Royal Blood-like tones when paired with a Whammy or POG in -1 octave harmony mode, making it ideal for bass-heavy rock styles.
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User experience

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Mastotron doesn't need to be first in the signal chain, offering flexibility in pedalboard placement unlike some other fuzz pedals.
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Despite owning and selling two Mastotrons, one user cites it as unparalleled in sound, though sometimes cumbersome on a pedalboard.
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The Mastotron can be likened to a sobriety milestone, with owners finding deep personal and emotional value in its use and ownership.
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Owners confirm that the Mastotron sounds exceptionally large and velcro-like when combined with octave down pedals, enhancing its appeal for filling sonic space in a two-piece band setup.
Source

Critic Reviews

Z.Vex Distortron & Mastotron Pedal Review - Premier Guitar

premierguitar.com

Full Review

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4.5 out of 5

Based on 4 Reviews and 52 Ratings

5 star

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1 star

sergioabiud

189

about 1 year ago

The Ultimate Fuzz

The incredible price of the Mastotron and its great dynamic range that goes from distortion to a powerful fuzz make this pedal a great option if you're looking to have this texture in your sound library. Just compare it against the Woolly Mammoth (price and sound) in YouTube reviews to make sure before making your purchase.
I love its knobs, so many options to get to the sound you have in mind, and its noise gate works excellently, so it's not just another noisy fuzz pedal.

This review has been translated automatically into English. See original

Roles:

Guitarist Music Producer

Genres:

Rock Reggae Alternative rock

sloonie

about 3 years ago

Amazing

It’s a fairly cheap pedal, with a hell of a kick. The sub option gives great bass, and the options for push/relax and sine/squaretooth wave are perfect for moulding your own sound.