Expressive E Osmose CE: the same keyboard mechanism as the Osmose, without the synthesizer inside
French company Expressive E, known for the Osmose synthesizer and the Touché controller, is launching a new product. Expressive E Osmose CE is a MIDI controller built around the same expressive keyboard mechanism as the original Osmose, but without the built-in EaganMatrix sound engine. In its place comes a dedicated plugin ecosystem — Ctrl-e. Available in two key configurations.
Same Keyboard, Different Concept
The most important thing to understand about the Expressive E Osmose CE: the keyboard mechanism is identical to the original Osmose. This is not a simplified version — it uses the same Augmented Keyboard Action technology. That means full per-note MPE control: pressure, lateral shift, finger vibrato, strumming, Press Glide. Each key reads not only the fact that it was pressed, but also how you press, hold, and release it.
So where is the difference? In the sound engine. The original Osmose features EaganMatrix by Haken Audio — a complex modular synthesis system covering physical modeling, FM, virtual analog, and much more. It is a fully standalone instrument that works without a computer. The Expressive E Osmose CE takes a different path: the keyboard stays, the synthesizer is removed, and a software ecosystem takes its place.
Built-in EaganMatrix engine. Works without a computer. Over 500 presets designed specifically for this engine. Deep sound design via Haken Editor.
No built-in engine. Requires a computer. Over 900 presets via Ctrl-e from multiple partner engines. Extended DAW integration.
Ctrl-e: The Sound Ecosystem Included with Expressive E Osmose CE
Ctrl-e is free software from Expressive E bundled with the Expressive E Osmose CE. It is not just a patch collection — it is an environment bringing together sound engines from several partners: Synapse Audio, AAS, Kilohearts, GForce, Dawesome, and Vital, plus Expressive E's own technologies.
The package includes over 900 presets, each designed specifically for expressive playing — they respond to pressure, vibrato, and lateral key shifts. Every preset comes with 8 pre-mapped macros. A filterable preset browser makes navigating the library quick and intuitive.
An important detail: if you already own compatible plugins, Ctrl-e can automatically detect those licenses and unlock deeper integration. A welcome touch for those who have already invested in the ecosystem.
MPE in Practice: Who Does This Really Work For
MPE — MIDI Polyphonic Expression — is an extension of the MIDI standard that allows independent control of each note in a chord. In traditional MIDI, pitch bend and aftertouch work globally across the entire channel: if you add vibrato, it affects every sounding note at once. In MPE, each note gets its own channel — meaning you can add vibrato to just one note of a chord, apply pressure glide to another, and leave the third untouched. This is precisely what brings keyboard instruments closer to the expressive possibilities of wind and string instruments.
The problem with MPE controllers has historically been one thing: buying a good keyboard is not difficult, but then comes the pain of DAW configuration, plugin compatibility, and parameter mapping. Most DAWs support MPE — Ableton Live, Bitwig, Logic Pro, Cubase — but every plugin requires individual setup, and results are often unpredictable. Most people who bought MPE controllers never fully unlocked their potential.
Expressive E Osmose CE tries to solve that problem through Ctrl-e: plug in, open up, play. No configuring plugin after plugin. The instrument is not limited to Ctrl-e, however — it works in three modes:
- 01MPE Controller for all compatible instruments and plugins
- 02Standard MIDI Controller for traditional workflows
- 03DAW Controller with transport, track navigation, and mixer control — for Live 12+, Cubase 15+, Bitwig 5+, and Logic Pro 12+
Built-in Performance Tools
An arpeggiator where each note retains its independence in real time. You can press keys, add vibrato to individual notes, and change their character while the arpeggio is playing. Standard arpeggiators simply cannot do this.
Transition between notes through pressure rather than a fixed portamento time. In practice, this enables smooth transitions that feel organic rather than mechanical.
Use Cases: Who Will Buy This and Why
Someone who already owns Pigments, Vital, Surge, or Kilohearts plugins but could never fully exploit MPE because the setup was too complex. Expressive E Osmose CE + Ctrl-e solves that through a centralized interface with ready-made mappings.
A musician accustomed to the nuances of an acoustic piano, frustrated by how flat a standard MIDI controller sounds. The Expressive E Osmose CE keyboard allows you to convey articulation through pressure and lateral shift — something usually reserved for acoustic instruments.
Working with orchestral libraries in MPE mode opens a completely different level of expression: string vibrato through key pressure, dynamic swells through gradual depression — all of it live, without automation in the DAW.
Expressive E Osmose CE in the 61-key version with integrated DAW control and the ability to switch between modes without reaching for a mouse is a sensible option for a musician who needs one instrument on stage, not a stack of controllers.
Expressive E Osmose CE vs. Original Osmose: An Honest Comparison
| Parameter | Osmose | Expressive E Osmose CE |
|---|---|---|
| Keyboard | AKA technology | Same AKA technology |
| Sound engine | EaganMatrix (Haken Audio) — built-in | No built-in engine |
| Computer-free | Yes, fully | No |
| Sound ecosystem | 500+ EaganMatrix presets | 900+ presets via Ctrl-e (multiple engines) |
| Dedicated DAW integration | No | Yes (Live, Cubase, Bitwig, Logic) |
| Number of keys | 49 | 49 or 61 |
| Manufactured in | France | Poland (Expressive E) |
The key question when choosing: do you need a standalone instrument, or do you work with a computer? If you want a fully self-contained synthesizer without a laptop — EaganMatrix and its depth is hard to replace. If your work is built around a DAW and plugins, the Expressive E Osmose CE offers the same keyboard with a broader and more open sound ecosystem.
Build and Specifications
The Expressive E Osmose CE is housed in a white aluminum enclosure with a black base — manufactured in Poland by the Expressive E team. Interface: 7 knobs/encoders, 9 buttons, a 4.3" color display, pitch and modulation sliders. Connectivity: DIN MIDI In/Out, USB-C, two pedal inputs. Powered via USB-C Power Delivery with no separate power adapter required.
Expressive E Osmose CE is not a budget version of the Osmose. It is a different product with the same keyboard, aimed at a different user.
If the original Osmose was a standalone instrument with the deep EaganMatrix engine, then the Expressive E Osmose CE is a next-generation MPE controller focused on integration with modern plugin-based workflows.
For musicians who want to finally unlock the potential of MPE without hours of configuration, this is a direct and well-considered path to that goal.
If you want to see how the Expressive E Osmose CE feels under your fingers before making a decision — you are welcome to try and purchase the instrument at our showroom in Warsaw. Visit Wired Tunes and play it in person.
