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EaganMatrix

EurorackDigitalPolyphonic

$799

Edmund Eagan spent years developing a completely different approach to synthesis, one that treats sound design as a living, breathing matrix where every parameter can be shaped by human expression. The EaganMatrix engine, refined through the Continuum Fingerboard and now available as a Eurorack module, brings that philosophy into a 22 HP package that punches far above its size.

This is a full-featured digital synthesis engine built around five summation oscillators, five multimode filters that can cascade for slopes up to 48 dB per octave, and a unique patching system where you connect audio and control modules inside the matrix itself. You get four per-note CV inputs (W, X, Y, Z) for gate, pitch, timbre, and loudness control, plus four global CV inputs for modulation sources. The module supports MPE and MPE+ over both USB and standard 3.5mm MIDI, with audio I/O on balanced 3.5mm connectors. A built-in convolution reverb and recirculator handle spatial processing, while the included Haken Editor software lets you design and customize presets on your computer before loading them into the module.

The real magic is in how the EaganMatrix responds to multidimensional control. Unlike traditional subtractive synths where you patch cables between fixed modules, here you're essentially programming which modules exist and how they interact, then mapping your performance gestures to influence any point in that patch. It ships with hundreds of presets, but the depth comes from building your own sonic architecture. The community has embraced it as both a sound source and a processor, integrating it into Eurorack systems where its flexibility means a single preset can yield completely different results depending on what you patch around it. Some users note the learning curve is real if you're coming from conventional synthesis, but those who invest the time describe it as endlessly rewarding.

Released

Unknown

Status

In Production

Synthesizer
Format
Eurorack
Type
Digital, FM, Physical Modeling, Additive, Subtractive
Internal Battery
No
Voice
A/D
Digital
Polyphony
Polyphonic
Oscillators
5
Oscillator Type
Digital
Filter
Multimode, 24dB/oct (4-pole)
Envelopes
5
LFO
-
Effects
Reverb, Delay
Expression
Aftertouch
-
Velocity
Yes
MPE
Yes
Additional
Continuum sound engine, CV source
Software
-
I/O
Audio In
2x 3.5mm TRS (Left and Right, or Mono)
Audio Out
2x 3.5mm TRS (Left and Right)
Headphone
0
MIDI
In, Out
MIDI Type
TRS (3.5mm)
Ports
CV/Gate, USB
Wi-Fi
No
Workflow
Arpeggiator
No
Sequencer
No
Mod Matrix
Yes
Memory
Yes
Measurements
Dimensions
22 HP x 30mm deep
Weight
-
Last updated Feb 26, 2026