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: April 11, 2026
⚡ The best mixer, attenuator modules in 2026 are Behringer 305 EQ/Mixer/Output (top pick), NANO Modules MAR for tighter budgets, and Klavis Tweakers Black for pros — selected from 15 options across 6 brands, priced $63–$99, ranked by brand, price and popularity.
#1
⭐
3.2/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Behringer 305 EQ/Mixer/Output
by
Behringer
CV Processing
Signal Mixing
System Utility
Key Feature:
The Behringer 305 is a seriously clever little module for the price. It's perfect for beginners getting their feet wet in Eurorack or seasoned users needing a compact mixer and EQ solution. The integrated tuning oscillator is a neat bonus for quick checks and patching experiments.
PROS
- • Four channels offer flexible signal routing and mixing possibilities
- • Built-in EQ provides tonal shaping without external modules
- • Tuning oscillator is a surprisingly useful utility for testing and calibration
- • Compact 24HP footprint maximizes space in Eurorack systems
CONS
- • Plastic construction feels less robust than higher-end Eurorack modules
- • Mono EQ is limited to input 1, restricting EQ versatility
- • Headphone output lacks a dedicated volume trim for precise monitoring
⭐
3.2/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Art. 506084
$74
#2
⭐
2.8/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
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.
⭐
2.8/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Art. 455659
$99
#3
⭐
2.8/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
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.
⭐
2.8/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Art. 589903
$90
#4
⭐
2.6/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Klavis Tweakers
by
Klavis
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.
⭐
2.6/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Art. 558670
$83
#5
⭐
2.5/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
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.
⭐
2.5/5
AudioFu Score
Specs:
6/10
Detail:
5/10
Value:
9/10
Art. 547136
$98
#6
⭐
2.0/5
AudioFu Score
Specs:
6/10
Detail:
4/10
Value:
9/10
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.
⭐
2.0/5
AudioFu Score
Specs:
6/10
Detail:
4/10
Value:
9/10
Art. 239986
$64
#7
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
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.
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 477998
$92
#8
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
2/10
Value:
9/10
Doepfer A-138s VE Mini Stereo Mixer
by
Doepfer
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.
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
2/10
Value:
9/10
Art. 521353
$87
#9
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
3/10
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
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 511862
$81
#10
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Doepfer A-138n VE
by
Doepfer
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
⭐
1.9/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 517467
$75
#11
⭐
1.8/5
AudioFu Score
Specs:
6/10
Detail:
2/10
Value:
9/10
Doepfer A-138s Mini Stereo Mixer
by
Doepfer
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.
⭐
1.8/5
AudioFu Score
Specs:
6/10
Detail:
2/10
Value:
9/10
Art. 417513
$87
#12
⭐
1.8/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
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.
⭐
1.8/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 114504
$74
#13
⭐
1.7/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Doepfer A-138i
by
Doepfer
System Utility
Audio Combining
Signal Mixing
Key Feature:
The A-138i is a no-frills, incredibly useful mixer for Eurorack. It's a fantastic entry point for those new to modular, or a reliable utility for experienced users needing a compact and dependable signal hub. Its simplicity is its strength, and it's a great value for the money.
PROS
- • Excellent Doepfer build quality; robust metal chassis and reliable pots
- • Compact 6HP footprint maximizes precious modular space
- • Flexible dual output groups enable complex routing possibilities
- • Individual channel mutes simplify mixing and performance control
CONS
- • Limited headroom; can introduce noise with multiple signals
- • Simple design lacks advanced features like EQ or panning
- • Basic attenuator functionality; not ideal for complex CV manipulation
⭐
1.7/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 467572
$97
#14
⭐
1.7/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
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
⭐
1.7/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 440090
$95
#15
⭐
1.7/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
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.
⭐
1.7/5
AudioFu Score
Specs:
6/10
Detail:
3/10
Value:
9/10
Art. 440128
$94
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 ranks 15 mixer, attenuator modules from the Thomann catalogue, which is the largest single source of specification data in this category.
Position is computed, not curated. Four signals, in order of weight: how completely the manufacturer documents the instrument (number of published specifications), where it sits in the price range, how specific the model designation is — which filters out generic accessories — and whether a product image exists. 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.
