Expressive E Osmose 24‑Voice Polyphonic Expressive Synth (49‑Key)
Excellent condition / fully functional – ready to inspire.

Bring a new dimension of expression to your setup with the Expressive E Osmose, a truly unique synthesizer designed around ultra-responsive, per-note control. This is not just a keyboard—it’s an instrument you play, with nuanced articulation that feels closer to acoustic performance than traditional synth action.

At the heart of the Osmose is its innovative 49-key keybed, capable of MPE-style expression on every note. Each key responds independently to pressure, strike, pitch movement, and continuous modulation, allowing you to bend, vibrate, and shape sound in real time—just like strings, wind, or voice.

Key Features

• 24-voice polyphony with rich, detailed sound design possibilities
• 49-key expressive keybed with per-note pitch bend, aftertouch, and pressure sensitivity
• MPE-compatible for full integration with modern expressive workflows
• Powered by the EaganMatrix sound engine (from Haken Audio) — deep, organic, and highly customizable
• Hundreds of presets covering acoustic, hybrid, and experimental textures
• USB & MIDI connectivity for studio integration