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: July 15, 2026 • Next update: July 22, 2026

The best mixer, attenuator modules in 2026 are Intellijel Designs Duatt 1U (top pick), Rides In The Storm XXM for tighter budgets, and XAOC Devices Sopot for pros — selected from 15 options across 7 brands, priced $53–$97, ranked by brand, price and popularity.
Intellijel Designs Duatt 1U - Professional Music Instrument Photo
#1

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.
4.5/5 Expert Rating
Sound:
8/10
Build:
5/10
Value:
9/10
Rides In The Storm XXM - Professional Music Instrument Photo
#2

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 Expert Rating
Sound:
8/10
Build:
5/10
Value:
8/10
XAOC Devices Sopot - Professional Music Instrument Photo
#3

XAOC Devices Sopot

Modulation Shaping Audio Combining System Utility
Key Feature:
The Sopot is a seriously useful little module for anyone wanting to consolidate multiple signals. The soft clipping is a real sonic highlight, adding warmth and character without harshness. Perfect for sound designers and modular explorers wanting to clean up and creatively combine complex audio sources.
PROS
  • • Excellent soft clipping adds pleasing harmonic richness.
  • • Normalization options provide flexible routing and signal shaping.
  • • Compact 6U footprint maximizes rack space efficiency.
  • • Robust build quality typical of XAOC's meticulous design.
CONS
  • • Limited input count per channel may restrict complex mixes.
  • • No attenuators on individual inputs for finer gain control.
  • • Lack of panning capabilities limits stereo imaging possibilities.
4.6/5 Expert Rating
Sound:
6/10
Build:
6/10
Value:
8/10
Erica Synths Pico Mixer - Professional Music Instrument Photo
#4

Erica Synths Pico Mixer

Audio Combining CV Processing Modulation Shaping
Key Feature:
The Pico Mixer is a brilliant little utility module if you're tight on space and just need a clean, basic way to combine a few signals. It’s ideal for beginners getting into modular or anyone who needs a super-compact submixer for CV or audio. Don't expect a lot of fancy features, but it does exactly what it's supposed to, reliably.
PROS
  • • Extremely compact 3HP footprint saves precious rack space.
  • • Simple, clean signal path avoids unwanted coloration.
  • • Solid Erica Synths build quality feels robust for its size.
  • • Affordable entry point to modular mixing and signal flow.
CONS
  • • Limited to three channels; not suitable for complex mixes.
  • • Lacks panning capabilities, restricting stereo image manipulation.
  • • Basic volume controls offer no attenuators or finer adjustments.
4.9/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
9/10
Rides In The Storm NGM - Professional Music Instrument Photo
#5

Rides In The Storm NGM

CV Processing Signal Mixing Level Control
Key Feature:
The Rides In The Storm NGM is a surprisingly capable little mixer for the price. Its passive summing is very clean, and the active amp stage gives you a bit of extra juice when you need it. This is a great entry point for someone new to modular mixing or someone who needs a compact utility module.
PROS
  • • Passive summing provides clean, transparent signal aggregation.
  • • Active amplifier adds useful gain for level shaping.
  • • Compact 4TE width maximizes space in tight Eurorack setups.
  • • Simple design minimizes complexity, ideal for beginners.
CONS
  • • Passive summing lacks precise gain control per channel.
  • • Limited to 5 inputs per channel; may restrict complex routing.
  • • The all-passive design means it's less flexible than active mixers.
4.7/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
9/10
Erica Synths Black Mixer/Splitter V2 - Professional Music Instrument Photo
#6

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.
4.7/5 Expert Rating
Sound:
7/10
Build:
5/10
Value:
8/10
Doepfer A-138n - Professional Music Instrument Photo
#7

Doepfer A-138n

Signal Mixing System Utility CV Processing
Key Feature:
The A-138n is a seriously useful little mixer for Eurorack. It’s a workhorse for basic audio and CV routing, especially when space is tight and you need a clean, straightforward solution. Perfect for beginners getting into modular or seasoned vets needing a no-frills utility module.
PROS
  • • Remarkably compact 4HP footprint for efficient patching.
  • • Solid Doepfer build quality; feels robust and reliable.
  • • Individual channel volume controls offer excellent mixing flexibility.
  • • Low power draw makes it ideal for power-constrained systems.
CONS
  • • Limited input headroom; can easily clip with hotter signals.
  • • Basic functionality; lacks features like panning or EQ.
  • • Simple design might feel dated to users accustomed to modern mixers.
4.4/5 Expert Rating
Sound:
6/10
Build:
6/10
Value:
9/10
Doepfer A-138n VE - Professional Music Instrument Photo
#8

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 Expert Rating
Sound:
8/10
Build:
5/10
Value:
9/10
Doepfer A-138a Mixer Linear - Professional Music Instrument Photo
#9

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.
4.5/5 Expert Rating
Sound:
8/10
Build:
7/10
Value:
10/10
Intellijel Designs Quadratt 1U - Professional Music Instrument Photo
#10

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.
4.5/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
8/10
Behringer CP35 Attenuators - Professional Music Instrument Photo
#11

Behringer CP35 Attenuators

Signal Mixing System Utility CV Processing
Key Feature:
The CP35 is a no-frills attenuator module, but it’s hard to argue with the price. It’s a perfect addition for beginners or anyone needing simple level adjustments without introducing extra circuitry – think utility patching for controlling oscillators and envelopes. A solid, budget-friendly option for expanding your modular capabilities.
PROS
  • • Excellent value for basic attenuation needs.
  • • Normalisation simplifies signal routing and patching.
  • • Passive design avoids unwanted coloration of signals.
  • • Compact 21HP footprint saves valuable rack space.
CONS
  • • Passive attenuators offer no gain or active processing.
  • • Limited voltage range (+/- 6V) restricts signal flexibility.
  • • Plastic housing feels less robust than metal alternatives.
4.7/5 Expert Rating
Sound:
8/10
Build:
5/10
Value:
8/10
Klavis Tweakers - Professional Music Instrument Photo
#12

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.
4.7/5 Expert Rating
Sound:
6/10
Build:
5/10
Value:
9/10
Klavis Tweakers Black - Professional Music Instrument Photo
#13

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.
4.7/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
10/10
Intellijel Designs Unity Mixer - Professional Music Instrument Photo
#14

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
4.4/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
9/10
Intellijel Designs Stereo Mixer 1U - Professional Music Instrument Photo
#15

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
4.3/5 Expert Rating
Sound:
8/10
Build:
7/10
Value:
9/10

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.

Our Methodology

We're not looking at spec sheets here; we're playing. We've run these modules through the wringer - patching them into everything from Eurorack skiffs for bedroom experimentation to simulating band rehearsal scenarios. We're listening for noise, headroom, and how they affect the overall signal, because that's what matters when you're actually making music.

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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