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. Some additional tools of potential interest are listed at the bottom. Related discussion thread: stereo mixer module comparison (MuffWiggler forum)

Latest

2019-08-06 added ph Mixer++
2019-06-28 added new column about individual outs (for multitracking), other updates
2019-05-08 added OIII Quad Mixer
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ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
4ms Listen 4

Modular Grid >
Web site >
Yes 10 2-4 2-4 40% 0 0 0 0 Yes 189
  • can be daisy chained with other 4ms Listen modules
  • line level output switch and master attenuator
4ms Listen 4 1/4

Modular Grid >
Web site >
Yes 12 4 0 33% 0 0 0 0 Yes 209
  • 1/4" TRS outputs that can be run as balanced or [verify] dual stereo outs
  • can be daisy chained with other 4ms Listen modules
ADDAC Stereo Summing Mixer

Modular Grid >
Web site >
Yes 80 1-5 1-5 6% 5 5 5 (manual) 3 stereo sends pre- or post-fader (switched per channel) Yes 1344
  • product is broken into two modules, one for I/O and one for control
  • expander adds four more fully-featured channels
  • cueing system
  • extensive line level support
Arrel Audio ER-100 Eurorack Stereo Summing Mixer

Modular Grid >
Web site >
Yes 28 8 1 stereo aux, 1 stereo insert 29% 0 0 8 solo (manual) 1 stereo send Yes 1000
Audio Gear Obsession SUMMINGFACILITY

Modular Grid >
No 38 6 aux returns can act as a stereo input 16% 0 0 6 mutes (manual), 6 send mutes (manual) 2 No TBD
  • balanced i/o
  • expanders planned
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Befaco HEXA

Modular Grid >
Web site >
Yes 70 6 3 stereo returns 9% 0 6 6 (manual) 3 mono sends post-EQ/fader Yes 1200
  • product is broken into three modules
  • per-channel and master EQ features
  • cueing system
  • LED UV meters for master mix
Befaco STMIX

Modular Grid >
Web site >
Yes 6 0-5 0-5 83% 0 0 0 No 150
  • can be daisy chained together or to the Befaco Hexmix
Blacet MIX3500

Web site >
Yes (DIY) 15 1-5 0-2 33% 0 0 0 0 Yes (sort of) 140+
Blue Lantern BMX 6 Channel Stereo Mixer

Modular Grid >
Yes (DIY or pre-built) 34 6 0 18% 0 0 6 (manual) 2 Yes 45+
  • supports line- or eurorack-level inputs
Blue Lantern Stereo Sir Mix Alot

Modular Grid >
Yes (DIY or pre-built) 24 6 2 33% 0 0 0 2 No 225
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Circuit Abbey Unify

Modular Grid >
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Yes 12 4 0 33% 0 0 0 0 Yes 250
  • expanders add up to 16 total channels
  • clipping LED indicator
Cwejman MX-4S

Modular Grid >
Web site >
HAHAHA 20 4 0 20% 4 4 0 0 No 900
  • cv over master level
  • LED UV meters for master mix
Cwejman MX-4AS

Modular Grid >
No 50 4 1 stereo AUX return 8% 4+ 4+ 4 1 stereo send No TBD
  • full stereo AUX send with independent pan and cv
  • cv over mute
  • envelope followers per channel
  • balanced outs
  • LED UV meter
  • clipping indicators
Doepfer A-135-4A/B/A-138o

Modular Grid >
Web site >
Yes 30 4 0 13% 4 4 4 (cv) 4 No 440
  • expandable up to sixteen channels
  • can be mixed/matched with A-138 modules
  • per-channel gain
  • envelope follower expander
Doepfer A-138p/o

Web site >
Yes 20 4 0 20% 0 0 4 (manual) 1 No 150
  • expandable (multiple A-138p per A-138o)
  • per-channel gain
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Doepfer A-138s

Modular Grid >
Web site >
Yes 8 4 0 50% 0 0 0 0 No 90
EMW Stereo Mixer

Modular Grid >
Web site >
Yes 14 4 0-2 29% 0 0 0 0 Yes (sort of) 85
Endorphin.es Cockpit

Modular Grid >
Web site >
Yes 6 0 4 67% 0 0 4 mutes 0-2 Yes 259
  • 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
Erica Synths Black Output

Modular Grid >
Web site >
Yes 14 3 0 21% 1 0 0 0 Yes 300
Erica Synths Stereo Mixer v2

Modular Grid >
Web site >
Yes 10 1 3 40% 1 0 0 0 No 146
  • Pre-fade Listen Expander available adds headphone output and cueing
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Frap Tools CGM

Modular Grid >
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Yes 30 3+ 2+ 10% 3+ 3+ 3+ (manual) 2+ pre- or post-fader (switched per channel) Yes $950+
  • 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 UV meters for master mix (Master module)
GRP Stereo Out Module

Modular Grid >
Web site >
Yes 16 3-4 0-1 25% 0 0 0 0 Yes 350
Happy Nerding Panmix

Modular Grid >
Web site >
Yes 16 4-6 (switches on back) 0-2 (switches on back) 38% 0-6 0-6 0 0 Yes (sort of) 300-350
  • LED UV 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.

Modular Grid >
Web site >
Yes 6 3 0 50% 0 0 0 0 No 100
  • can be daisy chained with other Happy Nerding stereo modules
Happy Nerding 3X Stereo Mixer

Modular Grid >
Web site >
Yes 6 1-3 1-3 50% 0 0 2 (manual) 0 Yes (sort of) 100
  • can be daisy chained with other Happy Nerding stereo modules
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Harvestman Escalation Dominance

Modular Grid >
No (and not formally announced) 28 6 1 stereo AUX return 21% 6 6 6 (manual) 1 No (TBD) TBD
  • built-in trigger-able envelopes for muting
  • cv control over level/pan/envelope is modal per-channel
  • elaborated AUX send architecture
  • expanders planned
Intellijel Dubmix

Modular Grid >
Web site >
Discontinued 28 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
  • expanders add two more aux sends and/or CV control over channel levels
  • elaborated AUX send architecture (see docs)
  • LED UV meters for master mix
Intellijel Mixup

Modular Grid >
Web site >
Yes 6 2-4 0-2 67% 0 0 3 (manual mutes) 0 No 90
  • no panning controls
  • chainable indefinitely
JPSynth Stereo Mixer

Modular Grid >
Web site >
Yes 8 0-4 0-4 50% 0 0 0 0 No 113
  • master attenuator
Knob Farm Hyrlo

Modular Grid >
Web site >
Yes 4 0-6 0-3 75% 0 0 0 0 No 90
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Koma Elektronik Poltergeist

Modular Grid >
Web site >
Yes 28 4 1 aux in 14% 4 4, plus master 4 (manual) 0 No 800
  • elaborated stereo or quad panning features
  • compression feature
  • self-patching-oriented design
L-1 VC Stereo Mixer

Modular Grid >
Web site >
Yes (DIY or pre-built) 22 4 0 18% 4 4 0 0 Yes (sort of) 155+
  • master level cv
  • LED VU meters for master mix
L-1 Two Channel Voltage Controlled Stereo Mixer.

Modular Grid >
Web site >
Yes (DIY or pre-built) 14 1-2 1-2 14% 2 4 0 2 stereo sends; no returns 0 115+
  • LED UV meters
  • full CV over level and pan (but not the SEND)
L-1 Unity gain Stereo Mixer

Modular Grid >
Web site >
Yes (DIY or pre-built) 12 0 10 83% 0 0 0 0 0 68+
  • (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)

Modular Grid >
Web site >
Yes 12 2-6 1-4 50% 0 0 0 0 0 TBD
  • available in various configurations
  • M-177 and M-178 expanders
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Make Noise X-Pan

Modular Grid >
Web site >
Yes 10 2-3 0-1 30% 2 1-3 0 0 No 259
  • output is modular level
  • two of the three channels are voltage-controlled crossfader circuits
OIIIAUDIO Quad Mixer

Modular Grid >
Web site >
Yes 24 4 0 17% 4 0 0 0 Yes 349
ph Mixer++

Modular Grid >
Web site >
Yes 12 3-4 0-1 33% 0 0 4 (manual) 1 mono send No 165
  • output is 3.5mm TRS stereo
  • per channel pan (manual)
  • per channel aux send level (manual)
Pittsburgh Lifeforms System Interface

Web site >
Yes 24 6 1 stereo AUX return 25% 0 0 0 1 mono send Yes 250
  • discreet aux, bus and main paths with per-channel switching
  • LED levels
  • first channel designed to double as an external input
ProModular MIIIIX

Modular Grid >
Web site >
Discontinued 18 4 0 22% 4 4 4 (manual) Expander post-fader Yes (sort of) 600
  • 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
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Qu-Bit Mixology

Modular Grid >
Web site >
Yes 28 4 1 stereo AUX return 14% 4 4 4/4 (manual) 1 No 400
  • LED UV meters for master mix
Random*Source Stereo Mixer

Modular Grid >
Web site >
Yes 18 2 0 11% 2 2 0 0 No 250
  • DIY
  • left and right aux inputs (unity)
  • balanced outputs
Rebel Technology Mix 01

Modular Grid >
Web site >
Yes 10 4 0 40% 0 0 0 0 Yes (sort of) 115
  • matrix mixer design
  • rear bus interconnect options for chaining
Rebel Technology Mix 02

Modular Grid >
Web site >
Yes 10 4 0 40% 0 0 0 0 Yes (sort of) 150
  • rear bus interconnect options for chaining
Roland SYSTEM-500 531 MIX

Modular Grid >
Web site >
No 20 4-6 0-1 30% 6 0 6 (manual) 0 Yes 399
  • stereo preamp with 1/4" jack
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Sputnik 6-Channel Stereo Mixer

Modular Grid >
Web site >
Yes 20 6 0 30% 2 0 4 (manual) 0 Yes 250
  • LED UV meters for master mix
Sputnik Quadrophonic Mixer

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

Modular Grid >
Web site >
No 26 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
Strange Science Instruments M-4 Advanced Stereo Mixer

Modular Grid >
Web site >
Yes 28 4 0 14% 4 4 0 0 No 700
  • variable gain switch for the VCAs
Synthrotek MST Stereo Output Mixer

Modular Grid >
Web site >
Yes 6 2-4 0-2 67% 0 0 0 0 No 85
  • no cv control, but circuit is both AC and DC coupled
  • dual stereo outs
  • unusual 2 channel, 2 inputs-per-channel configuration
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Takaab Nearness

Modular Grid >
Web site >
Yes 3 7 0 133% 0 0 0 0 No 50
  • the input jack you select corresponds to relative pan placement in the stereo field
Tesseract Tex-Mix

Modular Grid >
Yes (DIY or pre-built) 32 4-8 0-4 25% 0 4 8 (manual) 2 mono sends, 2 stereo returns Yes 250
  • expandable modular design (this is only one possible configuration)
  • cue system
Toppobrillo Stereomix

Modular Grid >
Web site >
Yes 24 4 1 stereo AUX return 17% 4 4 4 (manual) 1 mono send, 1 stereo return Yes 550
  • cv over AUX send for each channel
  • LED level indicators for master mix
Verbos Scan & Pan

Modular Grid >
Web site >
Yes 14 4 0 29% 4 4 0 0 No 400
  • cv-controlled center/width control as per harmonic oscillator
  • LED level indicators per channel
WMD Performance Mixer

Modular Grid >
Web site >
Yes 40 6 2 20% 8 8 0 2 post-gain, pre-fader (requires DB25 expander) Yes 750
  • 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
ProductShippingHPMono InputsStereo InputsChannel Density/HPCV PanningCV VCAsMute/SoloSendsIndividual OutsHeadphone OutApprox. Price (USD)Additional Notes
Worng Sound Stage

Modular Grid >
Web site >
Yes 12 22 0 183% 0 0 0 0 No 350
  • 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

Modular Grid >
Web site >
Yes 20 4 2 stereo returns 20% 4 4 4 (manual, CV with expander) 2 mono sends, 2 stereo returns post-fader No 515
  • 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:

• • •