AudioFuAudioFu Chart · October 2026
Best Mixer, Attenuator Modules for Intermediate 2026
The top pick is Doepfer A-138b "EXP" Mixer with Logarithmic Pots ($116). Erica Synths Pico Mixer gives you the most for the money at $66. Doepfer A-135-1 QVCA / VCMIX Quad Linear VCA and Voltage Controlled… leads the high end. Ranked by the AudioFu Index from 81 models across 29 brands, prices checked every night.
Last updated: October 15, 2026
Top 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
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Doepfer A-138b "EXP" Mixer with Logarithmic Pots
A-138j · Doepfer
11 for sale on Reverb12 finishes at Thomann
The A-138j is a solid, no-frills mixer that's perfect for patching complex modulation sources or attenuating signals. It's a workhorse module, offering a reliable and compact solution for those who need basic mixing and attenuation in their Eurorack setup, especially those already familiar with Doepfer's design philosophy.
Pros
- Excellent channel isolation minimizes crosstalk, crucial for complex patching.
- The +/-5V offset on Channel 1 provides unique modulation possibilities.
- Robust Doepfer build quality ensures long-term reliability in a modular environment.
Cons
- Limited channel count compared to larger, more modern mixers.
- The inverting/interrupting design can be confusing for beginners.
87AudioFu
IndexStableno change since Aug 14Aug 14$116 now$116€104 at Thomann · in stockCheck price ↗ -
The MIX7 Black is a fantastic, no-frills solution for anyone needing a compact mixer in their Eurorack. It's perfect for smaller racks or adding a little extra flexibility to a larger system – especially for those prioritizing a clean, analog signal path and maximizing space. Don't expect fancy features, but it does exactly what it's supposed to, and it does it well.
Pros
- Extremely compact 3HP footprint maximizes valuable rack space.
- Solid build quality with Tiptop's signature robust metal chassis.
- Low-noise circuit ensures clean signal paths even with hot signals.
Cons
- Limited to 7 inputs; might be restrictive for larger setups.
- 3HP size can make knob adjustments a bit fiddly.
69AudioFu
Index↓ 3.3%since Aug 14 · lowest so far$103 · Aug 14$100 now$100€89 at Thomann · in stockCheck price ↗ -
Doepfer A-135-1 QVCA / VCMIX Quad Linear VCA and Voltage Controlled…
A-135-1 · Doepfer
7 for sale on Reverb1 finish at Thomann
The A-135-1 is a workhorse mixer for any Eurorack setup. It’s a straightforward, reliable way to manage multiple signals and automate levels with CV, perfect for those who prioritize clean mixing and predictable behavior over fancy features. A solid choice for beginners and experienced modular users alike.
Pros
- Excellent signal integrity, minimal noise floor for clean mixing.
- Robust, classic Doepfer build quality; feels very solid.
- Flexible routing options with individual channel outputs.
Cons
- Limited headroom; can clip easily with strong signals.
- 18HP can be restrictive in smaller modular systems.
63AudioFu
IndexStableno change since Aug 14Aug 14$166 now$166€148 at Thomann · in stockCheck price ↗ -
Erica Synths Black Mixer / Splitter V2
Black Mixer V2 · Erica Synths
7 for sale on Reverb1 finish at Thomann
The Black Mixer V2 is a seriously useful little module for Eurorack users needing a clean, compact summing solution. It's perfect for attenuating signals, creating unique effects chains with AC coupling, or just consolidating multiple oscillators. This is a workhorse for anyone building a smaller or mid-sized modular synth.
Pros
- Solid build quality with robust Eurorack panel construction
- AC coupling provides unique signal shaping possibilities
- Buffered outputs maintain signal integrity across your modular system
Cons
- Limited to three inputs – not ideal for large modular setups
- AC coupling can introduce unwanted low-frequency buildup
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The Befaco STMix is a remarkably tidy and effective solution for managing multiple audio sources in your Eurorack. It's a great pick for those needing a compact, reliable stereo mixer without excessive features – perfect for smaller racks or anyone prioritizing clean signal routing.
Pros
- Excellent channel isolation minimizes crosstalk in complex modular setups
- Compact 6HP footprint maximizes valuable rack space
- Clean, transparent signal path preserves source audio integrity
Cons
- Limited to four channels; not ideal for large, multi-source systems
- The build quality, while functional, feels a little plasticky for the price
57AudioFu
IndexStableno change since Aug 14Aug 14$165 now$165€147 at Thomann · in stockCheck price ↗ -
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.
Cons
- Limited to three channels; not suitable for complex mixes.
- Lacks panning capabilities, restricting stereo image manipulation.
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Erica Synths Black Mixer / Splitter V2
Black Mixer/Splitter V2 · Erica Synths
7 for sale on Reverb1 finish at Thomann
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.
Cons
- Limited to 4 inputs, restricting larger mixer needs.
- No attenuators or other signal shaping features.
60AudioFu
Index↓ 2.7%since Aug 14 · lowest so far$84 · Aug 14$82 now$82€73 at Thomann · in stockCheck price ↗ -
The Befaco STMix is a seriously useful little mixer. It's perfect for anyone needing a compact submixer for a Hexmix or just wanting a clean, reliable way to combine a few signals without taking up tons of HP. The build feels solid, and the peak LEDs are a real help for keeping levels in check.
Pros
- Excellent build quality with robust metal chassis and tight pots
- Compact 1U format maximizes valuable space in tight modular setups
- Provides clean gain with useful peak LEDs for monitoring levels
Cons
- Limited channel count might not suit complex mixing needs
- 28mm depth can be restrictive in shallower Eurorack cases
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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.
Cons
- Limited to gate/trigger signals – no audio processing capabilities.
- Area coupling switch can be a bit fiddly for complex routings.
49AudioFu
Index↓ 4.5%since Aug 14 · lowest so far$100 · Aug 14$95 now$95€85 at Thomann · in stockCheck price ↗ -
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.
Cons
- Limited functionality compared to more complex mixer modules.
- DC coupling can introduce unwanted hum or offset with certain signals.
All 81 mixer, attenuator modules
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
- 11
Frap Tools 333 - ProAudio Sum & Distribution333 · Frap Tools46Stable$119€106$119€106Check ↗
- 12
Doepfer A-138-6 1UDoepfer41Stable$111€99$111€99Check ↗
- 13
Doepfer A-135-3Doepfer41Stable$153€137$153€137Check ↗
- 14
Klavis MixwitchKlavis · 2 finishes40Stable$156€139$156€139Check ↗
- 15
Klavis Tweakers BlackKlavis · 2 finishes40Stable$92€82$92€82Check ↗
- 16
Intellijel Designs Duatt 1UIntellijel Designs38Stable$94€84$94€84Check ↗
- 17
Intellijel Designs Quadratt 1UIntellijel Designs38Stable$95€85$95€85Check ↗
- 18
Intellijel Designs Unity MixerIntellijel Designs38Stable$96€86$96€86Check ↗
- 19
Klavis Tweakers PlusKlavis38↓ 3.3%$100€89$100€89Check ↗
- 20
Intellijel Designs MixupIntellijel Designs38Stable$110€98$110€98Check ↗
- 21
Intellijel Designs TriplattIntellijel Designs38Stable$129€115$129€115Check ↗
- 22
Befaco AtteBefaco37Stable$106€95$106€95Check ↗
- 23
Befaco Mixer V2Befaco37Stable$106€95$106€95Check ↗
- 24
Befaco A*B+C V2Befaco37Stable$167€149$167€149Check ↗
- 25
XAOC Devices KoninXAOC Devices36Stable$100€89$100€89Check ↗
- 26
XAOC Devices SopotXAOC Devices36Stable$100€89$100€89Check ↗
- 27
Vostok Instruments TraceVostok Instruments36Stable$156€139$156€139Check ↗
- 28
Vostok Instruments PathVostok Instruments36Stable$156€139$156€139Check ↗
- 29
NANO Modules MARNANO Modules35Stable$101€90$101€90Check ↗
- 30
NANO Modules ST-MARNANO Modules35Stable$151€135$151€135Check ↗
- 31
Acid Rain Technology NavigatorAcid Rain Technology34Stable$118€105$118€105Check ↗
- 32
Acid Rain Technology JunctionAcid Rain Technology34Stable$144€129$144€129Check ↗
- 33
Frap Tools CGM Creative Mixer Series - I InsertCGM I (Insert) · Frap Tools34Stable$156€139$156€139Check ↗
- 34
Shakmat Modular Aeolus MixerShakmat Modular34Stable$166€148$166€148Check ↗
- 35
Intellijel Designs Stereo Mixer 1UIntellijel Designs38Stable$83€74$83€74Check ↗
- 36
Doepfer A-183-5Doepfer41Stable$77€69$77€69Check ↗
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ADDAC 218 AttenuvertersADDAC30↑ 10.5%$118€105$118€105Check ↗
- 38
Rides In The Storm XXMRides In The Storm31↑ 6.7%$90€80$90€80Check ↗
- 39
Weston Precision Audio M3S Stereo MixerWeston Precision Audio28↑ 7.2%$133€119$133€119Check ↗
- 40
Behringer 305 EQ/Mixer/Output Eurorack Synthesizer Module305 EQ/Mixer/Output · Behringer47↓ 16.4%$63€56$63€56Check ↗
- 41
Erica Synths Pico MixerDrum Mixer · Erica Synths70Stable$234€209$234€209Check ↗
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Erica Synths Black Output V2Black Output Module V2 · Erica Synths70Stable$324€289$324€289Check ↗
- 43
Erica Synths Drum Mixer LiteErica Synths65↓ 8.3%$174€155$174€155Check ↗
- 44
Doepfer A-183-2 Offset GeneratorDoepfer41Stable$57€51$57€51Check ↗
- 45
Befaco Hexmix Eurorack Synthesizer ModuleHexmix · Befaco63Stable$458€409$458€409Check ↗
- 46
Make Noise X-PAN ModuleX-Pan · Make Noise61Stable$324€289$324€289Check ↗
- 47
Rides In The Storm MULRides In The Storm35Stable$62€55$62€55Check ↗
- 48
Xaoc Devices Praga Voltage Controlled Mixing ConsolePraga · XAOC Devices60Stable$514€459$514€459Check ↗
- 49
Modbap Modular TransitModbap Modular58↓ 23.2%$223€199$223€199Check ↗
- 50
Dreadbox Psychosis ModulePsychosis · Dreadbox56Stable$185€165$185€165Check ↗
- 51
Frap Tools CGM Creative Mixer Series - QSC Stereo ChannelCGM Stereo Channel · Frap Tools56↑ 5.3%$223€199$223€199Check ↗
- 52
Joranalogue Audio Design Mix 3Joranalogue Audio Design54Stable$174€155$174€155Check ↗
- 53
Rides In The Storm NGMRides In The Storm30↑ 8.2%$59€53$59€53Check ↗
- 54
Doepfer A-135-5Doepfer43↓ 3.1%$212€189$212€189Check ↗
- 55
Intellijel Designs Att 1UIntellijel Designs38Stable$28€25$28€25Check ↗
- 56
Frap Tools CGM Creative Mixer Series - G GroupCGM Group · Frap Tools42Stable$230€205$230€205Check ↗
- 57
Behringer CP3A-M MixerBehringer34Stable$32€29$32€29Check ↗
- 58
Intellijel Designs Xfade 1UIntellijel Designs40↓ 2.9%$223€199$223€199Check ↗
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Intellijel Designs Aux Mix 1UIntellijel Designs38Stable$230€205$230€205Check ↗
- 60
Cosmotronic Cosmix Pro BlackCosmotronic · 2 finishes37Stable$469€419$469€419Check ↗
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ADDAC 815 MixologyADDAC36Stable$207€185$207€185Check ↗
- 62
Vostok Instruments AssetVostok Instruments36Stable$222€198$222€198Check ↗
- 63
Vostok Instruments HiveVostok Instruments36Stable$223€199$223€199Check ↗
- 64
ADDAC 713 Stereo Discrete MixerADDAC36Stable$268€239$268€239Check ↗
- 65
Tiptop Audio Buchla Model 207tTiptop Audio36Stable$279€249$279€249Check ↗
- 66
XAOC Devices OstrawaXAOC Devices36Stable$536€479$536€479Check ↗
- 67
Frap Tools CGM Quad Stereo ChannelFrap Tools36Stable$592€529$592€529Check ↗
- 68
4ms Listen Four4ms35↓ 2.0%$218€195$218€195Check ↗
- 69
NANO Modules Performance MixerNANO Modules35Stable$509€455$509€455Check ↗
- 70
Shakmat Modular Griffin's ClawsShakmat Modular34Stable$324€289$324€289Check ↗
- 71
u-he CVilizationu-he34Stable$367€328$367€328Check ↗
- 72
Hexinverter Électronique Mutant Hot GlueHexinverter Électronique34↓ 4.6%$373€333$373€333Check ↗
- 73
u-he CEN2RIONu-he34Stable$435€389$435€389Check ↗
- 74
ADDAC 814 6x6 Stereo Matrix MixerADDAC34↑ 2.6%$447€399$447€399Check ↗
- 75
Tiptop Audio Buchla Model 257tTiptop Audio33↑ 5.7%$188€168$188€168Check ↗
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4ms Listen Four Quarters4ms33↑ 1.4%$252€225$252€225Check ↗
- 77
Tobinski Interpolating ScannerTobinski33↓ 2.5%$435€389$435€389Check ↗
- 78
Bastl Instruments BuddyBastl Instruments32Stable$174€155$174€155Check ↗
- 79
Schlappi Engineering EddySchlappi Engineering32Stable$324€289$324€289Check ↗
- 80
AJH Synth Muting Mixer & VCA blackAJH Synth32Stable$335€299$335€299Check ↗
- 81
Neuzeit Instruments QuasarNeuzeit Instruments32Stable$536€479$536€479Check ↗
Mixer, Attenuator Modules by the numbers
Measured across all 96 models we track, not a sample.
Median $156 — half of all mixer, attenuator modules here cost less.
How to choose the best mixer, attenuator modules
Noise Floor
This is critical. A noisy mixer is a dealbreaker. We're listening for hiss, hum, and any unwanted artifacts, especially when attenuating signals. It's the difference between a usable patch and a frustrating mess.
Attenuation Range & Accuracy
Attenuation isn't just about turning things down; it's about shaping dynamics and creating subtle interactions. We need a wide range and accurate attenuation to avoid stepping on other modules or losing detail.
Routing Flexibility
Intermediate players often want more than just left/right. Look for options like pre/post fader routing, aux sends, or even panning capabilities. This is about having control over your stereo image and creating interesting effects.
EQ/Filtering
A simple EQ or high-pass filter on the mixer output can be a lifesaver. It allows you to clean up muddiness, tame harsh frequencies, or subtly sculpt the overall tone of your patch. It's about getting that clarity to cut through the mix.
Headroom & Signal Integrity
A mixer that clips easily will ruin your sounds. We're looking for headroom to handle hot signals without distortion, and clean signal paths that preserve the integrity of your modules' sonic character.
Buying guide
So you're diving deeper into modular, huh? That's awesome. But slapping a bunch of oscillators and filters together sounds like a chaotic mess without a decent mixer and some attenuation. It's not just about levels, it's about shaping your sounds, carving out space in the mix, and actually being able to hear what you're doing - especially when you're gigging with a band or trying to get a clean recording.
At this level, you're past the ultra-cheap modules that sacrifice everything for a low price. Those modules usually have a significant noise floor and compression issues that will limit your creativity. Spend a little more on a module with a good reputation for low noise and accurate attenuation.
Don't get caught up in fancy features you won't use - a solid, reliable mixer is more valuable than a gimmick.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 96 mixer, attenuator modules from the Thomann catalogue. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
What's the difference between a mixer and an attenuator?
A mixer combines multiple signals into one, usually with level control. An attenuator reduces the signal level, often with a wide range of reduction. Many modules combine both functions, which is what we're focusing on here.
I'm on a tight budget. What's the bare minimum I need?
A basic 8-channel mixer with decent attenuation is a good starting point. Prioritize low noise above all else. Anything cheaper will likely be a constant source of frustration.
Do I need pre/post fader routing?
Not initially. It's a nice-to-have for advanced patching, but focus on getting a clean, reliable mixer first. You can always add more routing options later.
What's a 'noise floor' and why should I care?
The noise floor is the inherent background noise of the module. A high noise floor will mask quieter signals and make it difficult to create subtle sounds. Lower is always better, especially when attenuating weak signals.
Can I use a Eurorack mixer with other formats?
Generally no. Eurorack modules use a specific voltage standard. While some adapters exist, they often introduce noise or compromise performance. Stick with Eurorack for best results.
