Synthesizer

Expressive E Osmose

Expressive E · Osmose 49-Key 24-Voice Polyphonic Synthesizer

Price: 1.135 EUR – 2.001 EUR

Price history 06.09.2026 19.09.2026
Cheapest seen Most expensive seen

Availability: 6/10 (Common)

A synthesizer built around a genuinely pressure- and motion-sensitive keyboard rather than a standard velocity-only design, letting a player shape sound continuously after a note is struck rather than only at the moment of attack.

Where available? Go to the best price – 1.135 EUR About this instrument

About the Expressive E Osmose

The Osmose's keybed detects downward pressure, side-to-side motion and vertical position per key continuously, not just velocity at strike - a fundamentally different playing interface from a standard synth keyboard, closer to how a wind or string player shapes tone throughout a note's duration rather than fixing it at onset. This per-note continuous control is what MPE (MIDI Polyphonic Expression) was designed to carry, and the Osmose implements it natively in both keyboard and sound engine.

Its hybrid sound engine combines physical modeling with virtual analog synthesis, chosen specifically because physical modeling responds naturally to continuous input in ways static sample playback or simple subtractive synthesis can't - a player's ongoing finger pressure and movement genuinely changes the sound's physical behavior in real time, not just its volume or filter cutoff.

Where to buy

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Source: https://reverb.com/item/101217674-expressive-e-osmose-49-key-24-voice-polyphonic-synthesizer-2022-present-black

Sound character of the Expressive E Osmose

The Osmose pairs a continuous, pressure- and position-sensing keybed with physical-modeling resonator synthesis, so notes respond to how they're touched the way a bowed string or blown reed would - producing organic, breathing, woodwind- and string-like textures with per-note vibrato and dynamics rather than the fixed timbre of a triggered oscillator.

Resonant Delicate Airy Full-bodied

Technical data for the Expressive E Osmose

Keys 49, pressure/motion-sensitive (MPE)
Voices 24
Synthesis Physical modeling + virtual analog hybrid
Feature Native per-note continuous expression

Price history for the Expressive E Osmose

Cheapest seen: 1.135 EUR  ·  Most expensive seen: 2.001 EUR

2.001 EUR1.122 EUR 06.09.2026 15.09.202617.09.202617.09.2026 19.09.2026
Cheapest seen Most expensive seen

The history of the Expressive E Osmose

Expressive E built the Osmose around a genuinely touch- and motion-sensitive keybed, pairing it with physical modeling synthesis designed to respond to continuous per-note expression.

Related guides

  • Analog vs. Digital vs. Virtual-Analog Explained View details
  • Hardware Synth vs. Software/VST: What's Actually Different? View details
  • Monophonic vs. Polyphonic Synths Explained View details

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