Best Mixer, Attenuator Modules Under $100 2026

Okay, so you're diving into modular synths but your bank account's looking a little thin? Mixer and attenuator modules are absolutely essential - you can't just patch signals directly, trust me. Finding quality ones under $100 requires some savvy, but it's totally doable. Let's break down what to look for without breaking the bank.

Last updated: September 4, 2026

The best mixer, attenuator modules in 2026 are Intellijel Designs Unity Mixer (top pick), Intellijel Designs Quadratt 1U for tighter budgets, and XAOC Devices Bytom for pros — selected from 15 options across 6 brands, priced $77–$99, ranked by brand, price and popularity.
Intellijel Designs Unity Mixer - Professional Music Instrument Photo
#1

Intellijel Designs Unity Mixer

Audio Combining Modulation Shaping Level Control
Key Feature:
The Unity is a no-frills, incredibly efficient mixer perfect for Eurorack users who prioritize space and signal purity. It's a fantastic utility module for patching audio or CV signals cleanly, especially for those building smaller or more focused systems where every HP counts. It's a workhorse for anyone needing basic mixing without unwanted color or noise.
PROS
  • • Extremely compact, saving precious rack space in tight modular systems
  • • Unity gain design preserves signal integrity without coloration
  • • Normalization simplifies routing and patching workflows elegantly
  • • Robust Intellijel build quality ensures long-term reliability
CONS
  • • Limited to dual 3:1 mixers, restricting complex routing options
  • • Small size can make patching fiddly, especially with larger cables
  • • Power draw, while modest, can add up in larger systems
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 440090
$100
Intellijel Designs Quadratt 1U - Professional Music Instrument Photo
#2

Intellijel Designs Quadratt 1U

Signal Mixing Level Control System Utility
Key Feature:
The Quadratt is a deceptively simple but incredibly useful module for any Eurorack system. It's a fantastic way to tame unruly signals or create quick submixes without a full-blown mixer. Perfect for those wanting a clean, efficient, and affordable solution for signal management.
PROS
  • • Excellent normalization for quick submix creation and signal routing.
  • • Intelligent design minimizes noise and crosstalk between channels.
  • • Compact 1U format maximizes space in dense modular setups.
  • • Robust Intellijel build quality ensures long-term reliability.
CONS
  • • Limited flexibility compared to more complex mixing modules.
  • • Power draw, while manageable, adds up in large systems.
  • • Normalization, while convenient, can restrict signal flow in some cases.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 440128
$99
XAOC Devices Bytom - Professional Music Instrument Photo
#3

XAOC Devices Bytom

Modulation Shaping System Utility Audio Combining
Key Feature:
The Bytom is a brilliant little utility module for anyone building a Eurorack. Its triple-area design really shines when you need to combine and route multiple trigger and gate signals, and the compact size makes it perfect for smaller systems or those wanting to maximize space. A must-have for generative sequencing and complex rhythmic patterns.
PROS
  • • Excellent signal routing flexibility with its triple-area design.
  • • Compact 6HP footprint maximizes space in dense modular racks.
  • • Simple CV summation offers straightforward voltage mixing.
  • • XAOC’s build quality ensures reliable performance and longevity.
CONS
  • • Limited to gate/trigger signals – no audio processing capabilities.
  • • Area coupling switch can be a bit fiddly for complex routings.
  • • 6HP size can feel cramped for intricate signal flow.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 441754
$99
Intellijel Designs Duatt 1U - Professional Music Instrument Photo
#4

Intellijel Designs Duatt 1U

Level Control Audio Combining Modulation Shaping
Key Feature:
The Duatt is a fantastic little utility module for any Eurorack setup. It’s incredibly efficient, packing a surprising amount of functionality into a tiny space, making it ideal for those needing flexible signal routing and voltage manipulation without taking up a ton of HP. A great choice for beginners and experienced modular users alike.
PROS
  • • Extremely compact 1U form factor maximizes valuable rack space.
  • • Versatile attenuverter functionality expands signal shaping possibilities.
  • • Robust Intellijel build quality ensures long-term reliability.
  • • Precise voltage control offers predictable and repeatable results.
CONS
  • • Limited number of channels restricts complex mixing scenarios.
  • • Small size can make tweaking controls slightly fiddly.
  • • 14HP footprint can still be restrictive in tight modular setups.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
5/10
Value:
9/10
Art. 477998
$98
Klavis Tweakers Black - Professional Music Instrument Photo
#5

Klavis Tweakers Black

Audio Combining System Utility Level Control
Key Feature:
The Tweakers Black is a clever little module for anyone wanting to subtly shape signals or quickly patch complex routing. It's a great utility for experienced modular users who want to optimize space and streamline their workflow – a solid addition to any Eurorack system.
PROS
  • • Excellent gain boost provides subtle harmonic richness.
  • • Normalization simplifies routing for quick, flexible signal paths.
  • • Compact 3HP footprint maximizes rack space efficiency.
  • • Solid build quality; Klavis’s reputation for reliability shines through.
CONS
  • • Limited gain range might not suit extreme attenuation needs.
  • • Lack of attenuation control restricts dynamic shaping versatility.
  • • Normalization, while convenient, can be a source of unwanted signal flow.
4.9/5 AudioFu Score
Specs:
10/10
Detail:
7/10
Value:
9/10
Art. 589903
$95
Rides In The Storm XXM - Professional Music Instrument Photo
#6

Rides In The Storm XXM

Audio Combining Level Control Signal Mixing
Key Feature:
The XXM is a seriously useful little mixer for Eurorack. It's perfect for anyone needing a compact way to combine audio or CV signals – especially those wanting DC coupling for some creative modulation tricks. It’s a great value for the functionality, offering a surprisingly versatile foundation for your patch.
PROS
  • • Dual mixer sections offer flexible routing and signal shaping.
  • • DC-coupled Mixer A enables true voltage processing capabilities.
  • • Compact 8HP footprint maximizes space in dense modular systems.
  • • Solid build quality; feels robust for its affordable price point.
CONS
  • • Limited input count per channel may restrict complex signal chains.
  • • AC/DC coupling switch requires soldering, potentially off-putting to beginners.
  • • Master output level control lacks fine-grained adjustment.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
5/10
Value:
9/10
Art. 523436
$93
Doepfer A-138s Mini Stereo Mixer - Professional Music Instrument Photo
#7

Doepfer A-138s Mini Stereo Mixer

Level Control Signal Mixing CV Processing
Key Feature:
The A-138s Mini is a remarkably useful little mixer for Eurorack systems, especially when space is at a premium. It's perfect for basic stereo bussing, submixes, or simple effects sends – really shines for those needing to consolidate signals without a huge module footprint. The attenuators offer a good amount of control for the size, making it a surprisingly versatile addition.
PROS
  • • Compact 8HP footprint maximizes precious modular space.
  • • Individual attenuators offer precise level control per channel.
  • • Stereo mini-jack outputs provide flexible routing options.
  • • Solid Doepfer build quality ensures long-term reliability.
CONS
  • • Limited input count restricts complex mixing scenarios.
  • • Mini-jack connections aren't as robust as full-size jacks.
  • • Attenuation range lacks fine-grained adjustments for subtle blends.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 417513
$92
Doepfer A-138s VE Mini Stereo Mixer - Professional Music Instrument Photo
#8

Doepfer A-138s VE Mini Stereo Mixer

Modulation Shaping Audio Combining CV Processing
Key Feature:
The A-138s VE Mini is a fantastic, budget-friendly option for Eurorack users needing basic stereo mixing. Its clean sound and compact size make it perfect for smaller systems or for creating sub-mixes before feeding into more complex processing. It’s a no-frills solution that gets the job done beautifully.
PROS
  • • Excellent signal integrity for clean, transparent summing.
  • • Compact 8HP footprint maximizes valuable modular space.
  • • Vintage Edition black panel offers a classic aesthetic appeal.
  • • Individual attenuators provide precise level control per channel.
CONS
  • • Mini-jack connections can be fiddly for those with larger cables.
  • • Limited to four inputs restricts complex mixing scenarios.
  • • Lacks EQ or advanced routing features found in larger mixers.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 521353
$92
Intellijel Designs Stereo Mixer 1U - Professional Music Instrument Photo
#9

Intellijel Designs Stereo Mixer 1U

Signal Mixing Audio Combining Modulation Shaping
Key Feature:
This little Stereo Mixer from Intellijel is a workhorse for any modular setup needing basic stereo consolidation. It’s incredibly compact and the cascading feature is a brilliant touch for expanding your signal flow. Perfect for those wanting a clean, reliable stereo sum without cluttering up too much space in their rack.
PROS
  • • Compact 1U form factor maximizes modular space utilization
  • • Cascading chain input enables flexible signal routing and expansion
  • • Intelligent design integrates seamlessly with Intellijel ecosystems
  • • Solid build quality with Intellijel's characteristic robust construction
CONS
  • • Limited to two channels, restricting complex mixing scenarios
  • • 17mA (+12V) / 23mA (-12V) current draw can impact power budgets
  • • Lack of panning controls limits stereo imaging flexibility
4.8/5 AudioFu Score
Specs:
10/10
Detail:
5/10
Value:
9/10
Art. 511862
$86
Erica Synths Black Mixer/Splitter V2 - Professional Music Instrument Photo
#10

Erica Synths Black Mixer/Splitter V2

Level Control Signal Mixing System Utility
Key Feature:
The Black Mixer/Splitter V2 is a no-frills, incredibly compact utility module. It’s perfect for Eurorack users needing basic signal routing in a tight space, or for splitting a single signal to multiple destinations. Its simplicity and small size make it a great addition to any modular system.
PROS
  • • Extremely compact 4HP footprint maximizes modular space.
  • • Simple, clean signal path avoids unwanted coloration.
  • • Versatile input/output routing expands patching possibilities.
  • • Robust build quality with Erica Synths’ signature aesthetic.
CONS
  • • Limited to 4 inputs, restricting larger mixer needs.
  • • No attenuators or other signal shaping features.
  • • Power draw, while modest, can be a factor in tight systems.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
3/10
Value:
9/10
Art. 420036
$85
Klavis Tweakers - Professional Music Instrument Photo
#11

Klavis Tweakers

Level Control CV Processing Signal Mixing
Key Feature:
The Klavis Tweakers is a surprisingly useful little module. It's perfect for synth designers or experimental musicians who need precise gain control and signal routing, especially when space is at a premium. The normalisation feature makes it a quick and easy mixer for basic signal blending.
PROS
  • • Excellent gain staging capabilities for subtle to aggressive shaping
  • • Normalisation provides a convenient mixer function for quick patching
  • • Compact 3HP footprint maximizes space in tight Eurorack cases
  • • Solid Klavis build quality; feels robust and dependable.
CONS
  • • Limited versatility beyond attenuation, gain, and inversion
  • • 24mA current draw is moderate, consider power budget
  • • Gain factor of 2.1 might be too high for some applications.
4.9/5 AudioFu Score
Specs:
10/10
Detail:
7/10
Value:
9/10
Art. 558670
$85
Doepfer A-183-5 - Professional Music Instrument Photo
#12

Doepfer A-183-5

CV Processing Signal Mixing Audio Combining
Key Feature:
The A-183-5 is a beautifully simple and reliable attenuator – a real workhorse for any Eurorack setup. Perfect for anyone needing precise, repeatable level control across multiple signals, especially those focused on clean, subtractive synthesis or intricate modulation routing. It's a no-frills tool, but it does its job exceptionally well.
PROS
  • • Simple, passive design minimizes noise and complexity.
  • • Robust construction with Doepfer's characteristic quality metal chassis.
  • • Excellent for subtle signal shaping and level adjustments.
  • • Four identical channels offer repeatable and consistent attenuation.
CONS
  • • Passive design limits functionality – no active gain or inversion.
  • • 4HP width can be restrictive in tightly packed modular systems.
  • • Attenuation range isn't exceptionally wide, limiting extreme signal manipulation.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 555454
$80
Doepfer A-138a Vintage Edition - Professional Music Instrument Photo
#13

Doepfer A-138a Vintage Edition

Audio Combining Signal Mixing Level Control
Key Feature:
The A-138a Vintage Edition is a solid, no-frills mixer for your Eurorack. It's a fantastic, affordable option for attenuating and blending control voltage signals, especially if you appreciate the classic Doepfer aesthetic. Perfect for those building a foundational modular system or needing precise CV control.
PROS
  • • Vintage black paneling offers a classic, understated aesthetic appeal.
  • • Linear potentiometers excel at precise CV mixing and attenuation.
  • • Doepfer's renowned build quality ensures longevity and reliability.
  • • Compact 4HP footprint saves valuable space in modular setups.
CONS
  • • Limited channel count restricts complexity for larger mixes.
  • • Linear pots aren't ideal for audio mixing, only CV signals.
  • • Vintage edition may lack some modern features of newer modules.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
2/10
Value:
9/10
Art. 383627
$79
Doepfer A-138n VE - Professional Music Instrument Photo
#14

Doepfer A-138n VE

Audio Combining Modulation Shaping Level Control
Key Feature:
The A-138n VE is a fantastic little workhorse for Eurorack users needing a simple, reliable mixer. It’s a perfect entry point into modular mixing, or a great addition for experienced users wanting a clean, compact signal aggregation solution. The build quality is solid, and the individual channel volume controls are a real boon for shaping your sounds.
PROS
  • • Excellent build quality typical of Doepfer’s vintage line
  • • Compact 4TE format maximizes patching flexibility
  • • Individual channel volume control offers precise mixing
  • • Black front panel provides a classic, understated aesthetic
CONS
  • • Limited number of channels compared to modern mixers
  • • Vintage edition components might exhibit slightly higher noise floor
  • • Lack of panning or EQ capabilities restricts signal shaping
4.8/5 AudioFu Score
Specs:
10/10
Detail:
5/10
Value:
9/10
Art. 517467
$79
Doepfer A-138a Mixer Linear - Professional Music Instrument Photo
#15

Doepfer A-138a Mixer Linear

Audio Combining Signal Mixing Level Control
Key Feature:
The A-138a is a no-frills, incredibly useful mixer for Eurorack. It’s a fantastic foundation for any modular system, especially for those prioritizing clean signal paths and precise control voltage mixing. Ideal for beginners learning the ropes or experienced users needing a reliable, compact utility module.
PROS
  • • Excellent linearity for predictable mixing and attenuation.
  • • Robust Doepfer build quality – feels solid and dependable.
  • • Compact 8HP footprint maximizes space in tight Eurorack systems.
  • • Simple, clean design avoids unnecessary complexity for straightforward use.
CONS
  • • Limited to four channels; not suitable for large, complex setups.
  • • Basic feature set lacks advanced routing or EQ capabilities.
  • • No level metering; requires external monitoring for accurate gain staging.
4.8/5 AudioFu Score
Specs:
10/10
Detail:
4/10
Value:
9/10
Art. 114504
$78

Every mixer, attenuator modules that matches

26 models match this page. The 15 above are covered in detail; the rest are listed here with their published specifications.

# Model Specifications Price
16 Doepfer A-138o not published $72
17 Doepfer A-138b not published $69
18 Doepfer A-138n not published $69
19 Erica Synths Pico Mixer not published $69
20 Doepfer A-183-3 not published $67
21 Behringer 305 EQ/Mixer/Output not published $65
22 Rides In The Storm MUL not published $64
23 Rides In The Storm NGM not published $62
24 Doepfer A-183-2 Offset Generator not published $59
25 Behringer CP3A-M Mixer not published $34
26 Intellijel Designs Att 1U not published $29

Mixer, Attenuator Modules by the numbers

Measured across all 26 models in this category, so «wide», «short» or «expensive» mean something you can check.

Price
median $79
from $34 to $99

How to Choose the Best Mixer, Attenuator Modules

1

Noise Floor

Seriously, this is critical. Even a little hiss can ruin a delicate patch. We're talking about modules that need to be quiet, especially if you're layering sounds or recording. A noisy module is a constant headache.

2

Attenuation Range & Accuracy

A good attenuator lets you dial in subtle changes in signal level - from barely audible whispers to full-blown screaming leads. Inaccurate attenuation throws off your signal balance and makes mixing a nightmare.

3

Routing Options

Most budget modules will be simple, but look for a little flexibility. Being able to invert signals, mix multiple sources, or use a module as a simple gain stage can open up creative possibilities.

4

Build Quality

Plastic cases are common at this price point, but listen for loose pots or wobbly jacks. A module that falls apart after a gig is not a good value, no matter how cheap it was initially.

5

Headroom

Can it handle a hot signal without clipping and distorting unexpectedly? Limited headroom means you'll be constantly battling gain staging, which is a major time sink.

Buying Guide

At this price, expect compromises. You're not getting boutique components or a ton of features. Often, the trade-off is build quality - the pots might feel a little cheap, or the case might be flimsy. Prioritize a low noise floor above all else; a quiet module is far more useful than a feature-packed noisy one. Don't chase a ton of channels - a few well-designed channels are better than a bunch of mediocre ones.

How This List Is Built

We don't play these instruments — we're a catalog, not a review desk, and we'd rather say so than pretend otherwise. This page covers 26 mixer, attenuator modules from the Thomann catalogue, which is the largest single source of specification data in this category: 15 in detail, the rest listed with their specifications.

Position is computed, not curated. We parse the manufacturer's own description into actual values — nut width, scale, fret count, fingerboard radius, size, alloy — and rank on them: how many specifications a model has published, how many of them are measurable numbers, and how precisely it meets this page's criterion. A product image adds a little. Price is not a ranking signal: it tells you nothing about whether a neck fits your hand. The same inputs always produce the same order, so nothing here is shuffled to look fresh.

What this list is good for: narrowing a category down to a shortlist by spec and budget. What it isn't: a substitute for hearing an instrument. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.

Frequently Asked Questions

Some are decent, but be very wary. The cheap Chinese clones often have significantly higher noise floors and questionable component quality. Research the specific module carefully and read user reviews - look for mentions of noise or stability.
Technically, yes, but it's a pain. Impedance mismatches and lack of proper attenuation will likely introduce unwanted coloration and noise. It's not ideal, but can work in a pinch if you're desperate.
An attenuator reduces a signal's amplitude. A mixer combines multiple signals. Many modules do both, but understanding the distinction helps when patching.
It means the module contains multiple attenuators or mixers in a single unit. It's a space-saving way to get more functionality, but often at the expense of individual control over each channel.
It depends. For a beginner, a few decent, reliable modules are better than one 'amazing' module that's prone to failure. As you get more experienced, you might prioritize quality over quantity.

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