Eurorack Stereo Mixer Module Comparison

Martin Doudoroff

This is a pretty exhaustive and up-to-date basic comparison of all your stereo mixer module options for Eurorack, with an implicit focus on your output stage, although some of these modules are suitable for submixing. Some additional tools of potential interest are listed at the bottom. Related discussion thread: stereo mixer module comparison (MuffWiggler forum)

Latest

2021-08-19 added Toppobrillo MiniMix
2021-07-10 added Happy Nerding 4x Stereo Mixer
2021-06-05 added Modulaire Maritime Victor Alpha 2 & Feedback Mix BX
2020-03-20 added Blood Cells Audio D.O.Mixx
2020-01-11 small updates
2020-11-24 added Frap Tools QSC
2020-11-09 added SSF Vortices
Show full revision history

ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
4ms Listen 4
2018

10 HP
Modular Grid >
Web site >
Yes 2-4 2-4 40% 0 0 0 0 Yes $190.00
  • can be daisy chained with other 4ms Listen modules
  • line level output switch and master attenuator
  • 1/4” output passive expander available
4ms Listen 4 1/4
2018

12 HP
Modular Grid >
Web site >
Yes 4 0 33% 0 0 0 0 Yes $210.00
  • 1/4" TRS outputs that can be run as balanced or [verify] dual stereo outs
  • can be daisy chained with other 4ms Listen modules
6IXMIXM.SET
2020

10 HP
Modular Grid >
Web site >
Yes 6 0 60% 0 0 0 No $100.00
  • this is a pair of modules that yields one stereo mix and one mono sum
ACL PAN MIX
2020

12 HP
Modular Grid >
Yes 4 1 aux 33% 0 0 0 0 No $250.00
ADDAC Stereo Summing Mixer
2017

80 HP
Modular Grid >
Web site >
Yes 1-5+ 1-5+ 6% 5 5 5 (manual) 3 stereo sends pre- or post-fader (switched per channel) Yes $1350.00
  • product is broken into two modules, one for I/O and one for control
  • expander adds four more fully-featured channels, and you can add as many of these as you like
  • additional expanders add more individual channel outputs
  • cueing system
  • extensive line level support
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Alyseum Q-Mix
2019

6 HP
Modular Grid >
Web site >
Yes 4 0 67% 0 0 0 0 No $120.00
  • expander adds two stereo channels and three more mono channels
Arcaico Caronte MS-4
2019

12 HP
Modular Grid >
Web site >
Yes 2-4 0-2 33% 0 0 4 (manual) 0 No $200.00
  • master level knob
Arrel Audio ER-100 Eurorack Stereo Summing Mixer
2018

28 HP
Modular Grid >
Web site >
Yes 8 1 stereo aux, 1 stereo insert 29% 0 0 8 solo (manual) 1 stereo send Yes $1000.00
Audio Gear Obsession SUMMINGFACILITY
2019

38 HP
Modular Grid >
Web site >
Yes 6 aux returns can act as a stereo input 16% 0 0 6 mutes (manual), 6 send mutes (manual) 2 No $1000.00
  • extra headroom
  • extra gain available for working with line level inputs
  • balanced i/o
  • expanders planned
Befaco HEXA
2017

70 HP
Modular Grid >
Web site >
Yes 6 3 stereo returns 9% 0 6 6 (manual) 3 mono sends post-EQ/fader Yes $1200.00
  • product is broken into three modules
  • per-channel and master EQ features
  • cueing system
  • LED VU meters for master mix
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Befaco STMIX
2019

6 HP
Modular Grid >
Web site >
Yes 0-5 0-5 83% 0 0 0 No $150.00
  • can be daisy chained together or to the Befaco Hexmix
Blacet MIX3500
????

15 HP
Web site >
Yes (DIY) 1-5 0-2 33% 0 0 0 0 Yes (sort of) $140.00
Blood Cells Audio D.O.MIXX
2020

22 HP
Modular Grid >
Web site >
Yes 5 1 stereo return 23% 0 0 5 (manual) 1 mono send post-fader, post-mute No $220.00
  • aux send is pre/post selectable per channel
Blue Lantern BMX 6 Channel Stereo Mixer
2015

34 HP
Modular Grid >
Yes (DIY or pre-built) 6 0 18% 0 0 6 (manual) 2 Yes $45.00
  • supports line- or eurorack-level inputs
Blue Lantern Stereo Sir Mix Alot
2020

24 HP
Modular Grid >
Yes (DIY or pre-built) 6 2 33% 0 0 6 (manual) 2 No $225.00
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Catoff Mix
2019

24 HP
Modular Grid >
Web site >
Yes 4 2 stereo returns 25% 0 0 4 (manual) 2 No Yes $300.00
  • clever channel expansion system
  • LED VU meters for master mix
  • balanced outputs
Circuit Abbey Unify
2012

12 HP
Modular Grid >
Web site >
Yes 4 0 33% 0 0 0 0 Yes $250.00
  • expanders add up to 16 total channels
  • clipping LED indicator
Cosmotronic Cosmix
2020

16 HP
Modular Grid >
Web site >
Yes 4 2 38% 0 0 6 (manual) 1 No No TBD
  • drive circuit on master bus
  • aux send can be pre-fader or post-fader per channel
Cwejman MX-4S
2012

20 HP
Modular Grid >
Web site >
Yes 4 0 20% 4 4 0 0 No $900.00
  • cv over master level
  • LED VU meters for master mix
Doepfer A-135-3
2020

8 HP
Modular Grid >
No 0 4 50% 0 4 0 No $349.00
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Doepfer A-135-4A/B/A-138o
2017

30 HP
Modular Grid >
Web site >
Yes 4 0 13% 4 4 4 (cv) 4 No $440.00
  • expandable up to sixteen channels
  • can be mixed/matched with A-138 modules
  • per-channel gain
  • envelope follower expander
Doepfer A-138p/o
2016

20 HP
Web site >
Yes 4 0 20% 0 0 4 (manual) 1 No $150.00
  • expandable (multiple A-138p per A-138o)
  • per-channel gain
Doepfer A-138s
2017

8 HP
Modular Grid >
Web site >
Yes 4 0 50% 0 0 0 0 No $90.00
EMW Stereo Mixer
2013

14 HP
Modular Grid >
Web site >
Yes 4 0-2 29% 0 0 0 0 Yes (sort of) $85.00
Endorphin.es Cockpit
2016

6 HP
Modular Grid >
Web site >
Discontinued 0 4 67% 0 0 4 mutes 0-2 Yes $260.00
  • makes extensive use of TTRS connectors
  • compressor
  • partly intended to facilitate use of iOS devices as effects processors
  • design may be strongly biased toward use with other Endorphin.es modules
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Endorphin.es Cockpit 2
2020

6 HP
Modular Grid >
Web site >
Yes 0-4 0-4 67% 0 0 4 (manual) 0 Yes (but not dedicated) $200.00
  • each channel can be mono (TR) or stereo (TRS) based upon jumpers
  • multiple Cockpit 2 modules can be daisychained with jumpers behind the panel
  • built in ducking circuit based on CV, audio, or triggers
Erica Synths Black Output v2
2018

14 HP
Modular Grid >
Web site >
Yes 3 1 29% 1 0 0 0 Yes $290.00
Erica Synths Stereo Mixer v2
2017

10 HP
Modular Grid >
Web site >
Yes 1 3 40% 1 0 0 0 No $145.00
  • Pre-fade Listen Expander available adds headphone output and cueing
Feedback Mix BX
2021

35 HP
Modular Grid >
Web site >
Yes 6 2 stereo returns 23% 0 0 6 (manual) 2 Yes $190.00
  • Hi/Lo EQ per channel
  • design inspired Boss BX8
Frap Tools CGM
2016

36 HP
Modular Grid >
Web site >
Yes 3+ 2+ 8% 3+ 3+ 3+ (manual) 2+ pre- or post-fader (switched per channel) Yes $1100.00
  • unique expandable modular design (picture shows only one possible combo)
  • extensive VCA support on everything
  • solo functionality (requires Group module)
  • pre-fader cueing (requires Master module)
  • LED VU meters for master mix (Master module)
  • 2021 update adds multiple balanced output stage
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Frap Tools QSC
2020

18 HP
Modular Grid >
Web site >
Yes 0-8 0-4 22% 2 4 4 (manual) 2 No $500.00
  • can be used standalone or as part of the CGM mixer system
  • nominally 4 stereo channels, but stereo inputs can be treated as dual mono, with crossfading functionality
GRP Stereo Out Module
2017

16 HP
Modular Grid >
Web site >
Yes 3-4 0-1 25% 0 0 0 0 Yes $350.00
Happy Nerding Panmix
2016

16 HP
Modular Grid >
Web site >
Yes 4-6 (switches on back) 0-2 (switches on back) 38% 0-6 0-6 0 0 Yes (sort of) $300.00
  • LED VU meters for master mix
  • headphones and main outputs share one attenuator
  • inputs 3 and 6 can accept stereo mini jacks depending on switches on back of panel
  • can be daisy chained with other Happy Nerding stereo modules
Happy Nerding Panmix Jr.
2018

6 HP
Modular Grid >
Web site >
Yes 3 0 50% 0 0 0 0 No $100.00
  • can be daisy chained with other Happy Nerding stereo modules
Happy Nerding 2xSAM
2019

4 HP
Modular Grid >
Web site >
Yes 0 2 50% 0 0 0 0* 2 post-fader No $90.00
  • two channel stereo mixer/attenuator
  • *this module is intended first as a stereo send/return for effects equipment
  • 5X gain available (jumper)
  • can be daisy chained with other Happy Nerding stereo modules
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Happy Nerding 3X Stereo Mixer
2018

6 HP
Modular Grid >
Web site >
Yes 1-3 1-3 50% 0 0 2 (manual) 0 Yes (sort of) $100.00
  • can be daisy chained with other Happy Nerding stereo modules
Happy Nerding 4X Stereo Mixer
2021

4 HP
Modular Grid >
Web site >
Yes 1-4 1-4 100% 0 0 0 No 130
  • can be daisy chained with other Happy Nerding stereo modules
Intellijel Dubmix
2018

28 HP
Modular Grid >
Web site >
Discontinued 4 1 stereo aux input (2 more with expander) 14% 4 4 (but requires expander for use) 4 (manual) 1 mono send, 1 stereo return; additional sends with expander No $600.00
  • expanders add two more aux sends and/or CV control over channel levels
  • elaborated AUX send architecture (see docs)
  • LED VU meters for master mix
Intellijel Mixup
2017

6 HP
Modular Grid >
Web site >
Yes 2-4 0-2 67% 0 0 3 (manual mutes) 0 No $90.00
  • no panning controls
  • chainable indefinitely
JPSynth Stereo Mixer
2018

8 HP
Modular Grid >
Web site >
Yes 0-4 0-4 50% 0 0 0 0 No $115.00
  • master attenuator
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Knob Farm Hyrlo
2018

4 HP
Modular Grid >
Web site >
Yes 0-6 0-3 75% 0 0 0 0 No $90.00
Koma Elektronik Poltergeist
2013

28 HP
Modular Grid >
Web site >
Discontinued 4 1 aux in 14% 4 4, plus master 4 (manual) 0 No $800.00
  • elaborated stereo or quad panning features
  • compression feature
  • self-patching-oriented design
L-1 Discreet VC Stereo Mixer
2019

22 HP
Modular Grid >
Yes (DIY or pre-built) 0 4 18% 4 4 0 0 No $600.00
  • master level cv
  • LED VU meters for master mix
  • mute expander
  • insert expander
L-1 VC Stereo Mixer
2013

22 HP
Modular Grid >
Web site >
Yes (DIY or pre-built) 4 0 18% 4 4 0 0 Yes (sort of) $155.00
  • master level cv
  • LED VU meters for master mix
L-1 Two Channel Voltage Controlled Stereo Mixer.
2016

14 HP
Modular Grid >
Web site >
Yes (DIY or pre-built) 1-2 1-2 14% 2 4 0 2 stereo sends; no returns 0 $115.00
  • LED VU meters
  • full CV over level and pan (but not the SEND)
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
L-1 Unity gain Stereo Mixer
2016

12 HP
Modular Grid >
Web site >
Yes (DIY or pre-built) 0 10 83% 0 0 0 0 0 $70.00
  • (this is a straightforward high capacity unity mixer meant to pull together an expandable stereo mixing combination with other modules)
Ladik M-175 (and M-171, M-172, M-173, and M-174)
2016

12 HP
Modular Grid >
Web site >
Yes 2-6 1-4 50% 0 0 0 0 0 $100.00
  • available in various configurations
  • M-177 and M-178 expanders
Ladik M-610
2020

20 HP
Modular Grid >
Web site >
Yes 1-6 1-6 30% 0 0 0 0 No $100.00
  • expanders add three or six additional mono/stereo channels
Make Noise X-Pan
2019

10 HP
Modular Grid >
Web site >
Yes 2-3 0-1 30% 2 1-3 0 0 No $260.00
  • output is modular level
  • two of the three channels are voltage-controlled crossfader circuits
Make Noise XOH
2019

6 HP
Modular Grid >
Web site >
Yes 0-2 0-2 33% 0 0 0 0 Yes $110.00
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Modulaire Maritime Victor Alpha
2020

8 HP
Modular Grid >
Web site >
Yes 4 0 50% 0 0 0 0 No $165.00
  • LED VU meters for master mix
Modulaire Maritime Victor Alpha 2
2021

8 HP
Modular Grid >
Web site >
Yes 4 0 50% 0 0 0 0 Yes $200.00
  • LED VU meters for master mix
  • Bluetooth connectivity
OIIIAUDIO Quad Mixer
2019

24 HP
Modular Grid >
Web site >
Yes 4 0 17% 4 0 0 0 Yes $350.00
Paratek РИТМИКС
2019

12 HP
Modular Grid >
Yes 8 0 67% 0 0 0 0 No $200.00
  • mute button for the entire mix
  • LED VU meters
ph Mixer++
2019

12 HP
Modular Grid >
Web site >
Yes 3-4 0-1 33% 0 0 4 (manual) 1 mono send No $165.00
  • output is 3.5mm TRS stereo
  • per channel pan (manual)
  • per channel aux send level (manual)
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Pittsburgh Lifeforms System Interface
2017

24 HP
Modular Grid >
Web site >
Yes 6 1 stereo AUX return 25% 0 0 0 1 mono send Yes $250.00
  • discreet aux, bus and main paths with per-channel switching
  • LED levels
  • first channel designed to double as an external input
ProModular MIIIIX
2014

18 HP
Modular Grid >
Web site >
Discontinued 4 0 22% 4 4 4 (manual) Expander post-fader Yes (sort of) $600.00
  • expanders add AUX send/returns, cv control over mute/solo and other features
  • up to four MIIIX can be chained for up to 16 total channels
  • extra output configuration options
Qu-Bit Mixology
2017

28 HP
Modular Grid >
Web site >
Yes 4 1 stereo AUX return 14% 4 4 4/4 (manual) 1 No $400.00
  • LED VU meters for master mix
Random*Source Stereo Mixer
2017

18 HP
Modular Grid >
Web site >
Yes 2 0 11% 2 2 0 0 No $250.00
  • DIY
  • left and right aux inputs (unity)
  • balanced outputs
Rebel Technology Mix 01
2017

10 HP
Modular Grid >
Web site >
Yes 4 0 40% 0 0 0 0 Yes (sort of) $115.00
  • matrix mixer design
  • rear bus interconnect options for chaining
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Rebel Technology Mix 02
2017

10 HP
Modular Grid >
Web site >
Yes 4 0 40% 0 0 0 0 Yes (sort of) $150.00
  • rear bus interconnect options for chaining
Roland SYSTEM-500 531 MIX
2018

20 HP
Modular Grid >
Web site >
No 4-6 0-1 30% 6 0 6 (manual) 0 Yes $400.00
  • stereo preamp with 1/4" jack
Sputnik 6-Channel Stereo Mixer
2014

20 HP
Modular Grid >
Web site >
Yes 6 0 30% 2 0 4 (manual) 0 Yes $250.00
  • LED VU meters for master mix
Sputnik Quadrophonic Mixer
2015

28 HP
Modular Grid >
No 1 (plus one per expander) 0 4% 1 1 0 TBD Yes TBD
  • onboard EQ
  • onboard reverb
ST-Modular SUM
2018

26 HP
Modular Grid >
Web site >
Yes (DIY) 5 1 stereo input, 1 stereo aux return 27% 0 0 5 1 Yes TBD
  • DIY-only
  • the five mono channels have manual EQ control
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
ST-Modular SUM CHANNEL + MAIN
2020

34 HP
Modular Grid >
Web site >
Yes (DIY) 1+ 1+ 12% 0 0 manual 2 Yes TBD
  • unique expandable modular design (picture shows only one possible combo)
  • mono channels have manual EQ control
  • cue system
Strange Science Instruments M-4 Advanced Stereo Mixer
2018

28 HP
Modular Grid >
Web site >
Yes 4 0 14% 4 4 0 0 No $700.00
  • variable gain switch for the VCAs
Steady State Fate Vortices
2020

18 HP
Modular Grid >
Web site >
Yes 4 3 39% 2 + crossfader 7 0 0 No $380.00
  • “tape simulation” signal coloring including build-in saturation and peak limiters
  • crossfader feature
  • stereo and mono mixer portions have their own outputs available
  • can be daisy-chained
  • expander offers CV over the seven input levels
Synthrotek MST Stereo Output Mixer
2015

6 HP
Modular Grid >
Web site >
Yes 2-4 0-2 67% 0 0 0 0 No $85.00
  • no cv control, but circuit is both AC and DC coupled
  • dual stereo outs
  • unusual 2 channel, 2 inputs-per-channel configuration
SynEssentials SE2026
2020

45 HP
Modular Grid >
Web site >
Yes 6 2 stereo returns 13% 0 0 6 (manual) 2 mono sends Yes $1500.00
  • low and high eq per channel
  • solo per channel
  • dual outs
  • dual stereo aux ins
  • note: all 1/4 jacks are stereo TRS except the two sends
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Takaab Nearness
2018

3 HP
Modular Grid >
Web site >
Yes 7 0 133% 0 0 0 0 No $50.00
  • the input jack you select corresponds to relative pan placement in the stereo field
Tesseract Tex-Mix
2019

32 HP
Modular Grid >
Yes (DIY or pre-built) 4-8 0-4 25% 0 4 8 (manual) 2 mono sends, 2 stereo returns Yes $250.00
  • expandable modular design (this is only one possible configuration)
  • cue system
  • expander with direct outputs is available
Toppobrillo Stereomix
2016

24 HP
Modular Grid >
Web site >
Discontinued 4 1 stereo AUX return 17% 4 4 4 (manual) 1 mono send, 1 stereo return Yes $550.00
  • cv over AUX send for each channel
  • LED level indicators for master mix
Toppobrillo Stereomix 2
2019

24 HP
Modular Grid >
Discontinued 4 1 stereo AUX return 17% 4 4 4 (manual) 1 mono send, 1 stereo return Yes $480.00
  • cv over AUX send for each channel
  • LED level indicators for master mix
Toppobrillo MiniMix
2021

14 HP
Modular Grid >
No 4-6 0-2 43% 2 0 6 (manual) 0 Yes TBD
  • chainable
ProductShippingMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Verbos Scan & Pan
2015

14 HP
Modular Grid >
Web site >
Yes 4 0 29% 4 4 0 0 No $400.00
  • cv-controlled center/width control as per harmonic oscillator
  • LED level indicators per channel
WMD Performance Mixer
2016

40 HP
Modular Grid >
Web site >
Yes 6 2 20% 8 8 0 2 post-gain, pre-fader (requires DB25 expander) Yes $750.00
  • 6 mono channels, each with 2 switched inputs
  • 2 true stereo channels
  • 2 mono send/returns
  • one stereo insert
  • one end of chain stereo send/return, dual input buses
  • cueing system
  • various LED indicators
  • full headphone support
  • expanders add mute controls, two additional full stereo channels
Worng Sound Stage
2018

12 HP
Modular Grid >
Web site >
Yes 22 0 183% 0 0 0 0 No $350.00
  • the input jack you select corresponds horizontally to relative pan placement in the stereo field
  • vertical jack selection corresponds to EQ-like filtration (controlled overall manually or with CV)
  • manual and CV-control over output level
XAOC Praga
2012

20 HP
Modular Grid >
Web site >
Yes 4 2 stereo returns 20% 4 4 4 (manual, CV with expander) 2 mono sends, 2 stereo returns post-fader No $515.00
  • individual LED VU meters per channel
  • cv for each VCA switchable between unipolar and bipolar
  • two units can be chained for eight channels
  • HRAD expander adds additional CV and full master section

In addition, these modules don’t really belong in the above comparison but have been pointed out as being of potential interest:

• • •