Synthrotek Dirt Filter

$45.00 Price Tier: Budget

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Page last updated May 11, 2026

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5.0 (1)

$45.00 3 available Used

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Average Price: $45

Budget/Beginner

$149

$350+

Price Tier

In the Modular Synthesizers category, Synthrotek Dirt Filter is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

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Description

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The Synthrotek Dirt Filter is a quintessential addition to any modular synthesizer setup, offering a gritty and expressive sound-shaping experience. Crafted for musicians who crave versatility and character in their sound design, this module brings a unique edge to your sonic palette. The Dirt Filter is a multi-mode resonant filter that excels in delivering a wide range of distorted and textured tones, making it ideal for experimental and electronic genres.

Engineered with precision, the Dirt Filter utilizes a CMOS-based circuit to produce its distinctively warm and fuzzy sound. With seamless integration into Eurorack systems, it allows for dynamic modulation possibilities, enabling you to craft everything from subtle harmonics to intense overdrives. This module is perfect for those who enjoy pushing the boundaries of sound, whether in the studio or during live performances.

Key Features:

Multi-mode resonant filter with CMOS-based circuit
Compatible with Eurorack modular systems
Capable of producing a wide range of distorted and textured tones
Ideal for experimental and electronic music genres
Offers dynamic modulation possibilities for extensive sound design

Product specs

Brand	Synthrotek
Model	Dirt Filter
Year	2010s
Made In	United States
Categories	Eurorack Modules and Cases, Synth Modules
Horizontal Pitch	4HP
Modular Synth Format	Eurorack
Synth Module Function	Distortion, Filter, Waveshaper

FAQs

What type of filter is the Synthrotek Dirt Filter?: The Synthrotek Dirt Filter is a Eurorack module that functions as a distortion, filter, and waveshaper, providing unique and gritty sound shaping capabilities for modular synthesizers.
How much space does the Synthrotek Dirt Filter take up in a Eurorack setup?: The Synthrotek Dirt Filter occupies 4HP in a Eurorack modular synthesizer setup, making it a compact option for adding distortion and filtering features.
Can the Synthrotek Dirt Filter be used for both filtering and distortion?: Yes, the Synthrotek Dirt Filter can be used as both a filter and a distortion module, allowing for versatile sound manipulation within your Eurorack system.
Is the Synthrotek Dirt Filter suitable for creating aggressive sound textures?: The Synthrotek Dirt Filter is designed to add grit and character to your sound, making it ideal for creating aggressive and textured audio effects in your modular setup.
What modular synth format does the Synthrotek Dirt Filter use?: The Synthrotek Dirt Filter is designed for the Eurorack modular synth format, compatible with a wide range of Eurorack systems and setups.

Videos

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synthrotek

Introducing DIRT from Synthrotek

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Dirty But Clean - Synthrotek Dirt filter

voltlife

Synthrotek DIRT Filter demo

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Synthrotek DIRT VCF - DIY Modular in a Week 7.6

Kristian Blåsol

Dirty Beat with Elektron Model:Cycles, Metasonix RK2 and Synthrotek DIRT Filter

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Synthrotek Dirt Filter.

Features and functionality

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Synthrotek Dirt Filter may lack modulation sources, which can limit its versatility in a small modular setup.
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Zlob filter is recommended for its powerful modulation options and ability to function as an LFO during self-oscillation, offering more versatility than the Dirt Filter.
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Comparisons

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The Three Tom MS22 filter is mentioned as a superior alternative to the Synthrotek Dirt Filter, offering better sound quality and features.
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The WMD C4RBN filter is highlighted as a 4hp multi-mode filter with unique features like wavefolding and ping-able trigger input, offering more functionality than the Dirt Filter.
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User experience

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The Synthrotek brand is mentioned with caution due to concerns over their company practices, suggesting potential buyers explore alternatives like 2HP or Erica Pico.
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Mods and upgrades

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Consider replacing the Synthrotek Dirt Filter with a more space-efficient and versatile option like the 2HP multi-mode filter, which provides three filter outputs.
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