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: May 20, 2026 • Next update: May 27, 2026
#1
⭐
4.3/5
Expert Rating
Sound:
8/10
Build:
7/10
Value:
9/10
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
Art. 511862
$81
#2
⭐
4.8/5
Expert Rating
Sound:
8/10
Build:
6/10
Value:
9/10
Rides In The Storm QUA
Audio Combining
Modulation Shaping
System Utility
Key Feature:
The QUA is a no-frills attenuator module that does exactly what it's supposed to, and does it well. It's perfect for anyone just getting into modular synthesis or needing a simple, compact way to tame powerful signals – especially useful for those wanting to control multiple oscillators or LFOs simultaneously.
PROS
- • Four identical channels offer excellent flexibility for signal routing.
- • Compact 4TE width saves valuable space in dense modular systems.
- • Simple attenuator button provides immediate, tactile control over signals.
- • Low power draw minimizes impact on PSU capacity in smaller racks.
CONS
- • 4 TE format might be limiting for some advanced patching scenarios.
- • Basic functionality; lacks advanced features like offset or mixing.
- • Plastic knobs, while functional, may feel less premium than metal alternatives.
⭐
4.8/5
Expert Rating
Sound:
8/10
Build:
6/10
Value:
9/10
Art. 529596
$61
#3
⭐
4.4/5
Expert Rating
Sound:
7/10
Build:
5/10
Value:
8/10
XAOC Devices Bytom
by
XAOC Devices
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.
⭐
4.4/5
Expert Rating
Sound:
7/10
Build:
5/10
Value:
8/10
Art. 441754
$98
#4
⭐
4.6/5
Expert Rating
Sound:
8/10
Build:
7/10
Value:
10/10
NANO Modules MAR
by
NANO Modules
Modulation Shaping
System Utility
CV Processing
Key Feature:
The NANO Modules MAR is a remarkably compact and functional dual mixer for Eurorack. It's perfect for those needing a clean, efficient way to combine signals without a lot of extra frills – great for sound designers and experimental musicians who need flexible routing in a small space.
PROS
- • Dual mixer design maximizes space efficiency in tight Eurorack setups
- • Logarithmic pots offer a natural, musical feel for level adjustments
- • Normalization feature simplifies complex routing and signal flow
- • Clean audio path minimizes noise, preserving signal integrity
CONS
- • 8HP footprint can still be restrictive for smaller racks
- • Limited input flexibility compared to larger, more complex mixers
- • The 'Y' mixer’s summed output lacks individual channel control.
⭐
4.6/5
Expert Rating
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 455659
$99
#5
⭐
4.5/5
Expert Rating
Sound:
7/10
Build:
6/10
Value:
8/10
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
Art. 440128
$94
#6
⭐
4.7/5
Expert Rating
Sound:
7/10
Build:
5/10
Value:
8/10
Erica Synths Black Mixer/Splitter V2
by
Erica Synths
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
Art. 420036
$83
#7
⭐
4.5/5
Expert Rating
Sound:
8/10
Build:
7/10
Value:
10/10
Doepfer A-138a Mixer Linear
by
Doepfer
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
Art. 114504
$74
#8
⭐
4.7/5
Expert Rating
Sound:
6/10
Build:
5/10
Value:
8/10
Doepfer A-183-2 Offset Generator
by
Doepfer
CV Processing
Level Control
Signal Mixing
Key Feature:
The A-183-2 is a handy little module for subtle voltage manipulation. It's perfect for anyone needing precise offset adjustments for their oscillators or filters without the complexity of a full-blown attenuverter. A solid, affordable choice for beginners and experienced modular users alike.
PROS
- • Excellent offset control for subtle tonal shaping.
- • Robust Doepfer build quality – reliable and durable.
- • Compact 4HP footprint saves precious rack space.
- • Simple, intuitive design; easy to integrate into any modular system.
CONS
- • Limited functionality compared to more complex attenuators.
- • 20mA power draw can add up in a large system.
- • Plastic knobs feel slightly cheap compared to higher-end modules.
⭐
4.7/5
Expert Rating
Sound:
6/10
Build:
5/10
Value:
8/10
Art. 258104
$56
#9
⭐
4.7/5
Expert Rating
Sound:
7/10
Build:
6/10
Value:
9/10
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
Art. 529597
$54
#10
⭐
4.8/5
Expert Rating
Sound:
7/10
Build:
6/10
Value:
9/10
Doepfer A-138o
by
Doepfer
Modulation Shaping
Audio Combining
Level Control
Key Feature:
The A-138o is a no-frills, reliable mixer perfect for smaller Doepfer or Eurorack systems. It’s a solid choice for creating stereo mixes and routing signals with a simple, clean design, especially great for those wanting to consolidate multiple oscillators or effects into a cohesive sound.
PROS
- • Excellent stereo summing with minimal noise floor
- • Aux send/return loop offers flexible signal routing
- • Compact 4HP footprint maximizes modular space
- • Solid Doepfer build quality; reliable for years
CONS
- • Limited channel count; not suitable for large modular setups
- • Power draw is a bit higher than some alternatives
- • AUX return lacks gain control, requiring external adjustment
⭐
4.8/5
Expert Rating
Sound:
7/10
Build:
6/10
Value:
9/10
Art. 399260
$68
#11
⭐
4.5/5
Expert Rating
Sound:
7/10
Build:
5/10
Value:
9/10
Doepfer A-138a Vintage Edition
by
Doepfer
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.
⭐
4.5/5
Expert Rating
Sound:
7/10
Build:
5/10
Value:
9/10
Art. 383627
$75
#12
⭐
4.5/5
Expert Rating
Sound:
6/10
Build:
6/10
Value:
8/10
Doepfer A-183-3
by
Doepfer
CV Processing
Signal Mixing
Modulation Shaping
Key Feature:
The A-183-3 is a no-frills, reliable DC amplifier perfect for basic signal boosting and attenuation in modular setups. It's a workhorse for beginners getting their feet wet with modular synthesis or anyone needing a simple, clean gain stage – just be mindful of the DC coupling’s potential quirks.
PROS
- • Robust Doepfer build quality ensures long-term reliability.
- • Simple, clean amplification avoids unwanted coloration of signals.
- • Switchable gain provides flexibility for various signal levels.
- • Compact 4HP footprint saves valuable space in Eurorack systems.
CONS
- • Limited functionality compared to more complex mixer modules.
- • DC coupling can introduce unwanted hum or offset with certain signals.
- • Basic LED peak indicators offer minimal visual feedback.
⭐
4.5/5
Expert Rating
Sound:
6/10
Build:
6/10
Value:
8/10
Art. 239986
$64
#13
⭐
4.7/5
Expert Rating
Sound:
7/10
Build:
6/10
Value:
10/10
Klavis Tweakers Black
by
Klavis
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
Art. 589903
$90
#14
⭐
4.6/5
Expert Rating
Sound:
6/10
Build:
6/10
Value:
8/10
XAOC Devices Sopot
by
XAOC Devices
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
Art. 547136
$98
#15
⭐
4.8/5
Expert Rating
Sound:
8/10
Build:
5/10
Value:
8/10
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
Art. 523436
$83
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.
