Expressive E Osmose
Polyphonic Synthesizer

Latest User Reviews
It's not like playing a keyboard
The amount of expression you can get out of the keys is crazy. I was once a trained cellist, and this keyboard more reminds me of playing the cello than a synthesizer. Precise vibrato by wiggling the hand sideways, the intensity of increasing pressure in the aftertouch and that many sounds start a very quiet sound just a couple of millimeter keypress. The sounds are crazy good. So much choice, so different. I haven't owned a synthesizer with this much good factory settings before. And the macro controls for each sound typically gives each sound a whole range of character. For quality I give 4/5 because the underside feels a bit plasticy. Ideally I think the entire thing should be metal for durability.
5 months wait but definitely worth it
I cannot rate this high enough - only arrived yesterday and simply plugged in and played with the presets (first 4!) for about an hour and had already been inspired to write a new tune within minutes. That then sidetracked me whilst I tracked some other instruments. It is like playing a violin or a guitar after simple keyboards. I am a pianist by training so maybe this suits me but I didn’t find it too hard to play. Gentle polyphonic after touch swells and then bending notes individually or in chords. You end up drifting into the music - a truly revolutionary keyboard. I know programming will be a pain and hopefully sooner or later they will come up with an easier editor but I’ll leave that for another day. But it sounds lush. Recommended and definitely with the 5 months wait it took to get it
Technical Data
- Manufactured by Expressive E
- Released in 2023
- Average price : $1950
- With multidimensional keyboard
- New 49-key keyboard - each key can handle velocity, aftertouch and pitch bend individually
- 24-Voice polyphony
- Haken Audio EaganMatrix Sound Engine: freely programmable modular synthesizer with 5 oscillators, 5 multimode filters, 5 envelopes, noise generators, 2 filter banks, 4 delays and much more
- Supports sound generation methods like physical modelling, FM, subtractive and additive synthesis and more
- Built-in effects: Reverb, Delay, Compressor, EQ
- Operation modes: standalone synthesizer, MPE MIDI controller and regular MIDI controller
- Memory for 500 presets
- MPE arpeggiator
- LC colour display and 6 encoders
- Pitch and modulation slider
- Buttons for octave and preset selection
- Stereo output: 2x 6.3 mm jack
- Stereo headphone output: 6.3 mm jack
- Pedal inputs: 2x 6.3 mm jack
- USB-B port
- MIDI in / out
- Dimensions : 894mm x 316mm x 87.5mm
- Weight : 8.3kg
- Incl. external power supply (12 V DC, 1.5 A)
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