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Expressive E Osmose 61 – Expressive keyboard

Expressive E Osmose 61 is a highly expressive MPE keyboard with 61 full-size keys and a powerful built-in EaganMatrix sound engine. Designed for studio and stage use, it offers unmatched expression, 580 presets, and full connectivity including USB, MIDI DIN, audio outputs, and pedal inputs.


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Product attributes
Model : Osmose 61
SKU : SUP_jb684
Warranty : 2 years
Producent : Expressive
Weight without package: 9.5 kg
Product Description
Details

Expressive E Osmose 61 – next-generation expressive keyboard

The Expressive E Osmose 61 is a cutting-edge keyboard instrument that sets a new standard in expression and musical creativity. Featuring 61 full-size expressive keys and the EaganMatrix sound engine developed by Haken Audio, the Osmose goes far beyond being just a MIDI controller — it’s a powerful standalone instrument. Designed for live performers, composers, and producers, it provides full MPE integration and an unparalleled level of real-time sound control.

Key Features

  • 61 full-size expressive keys
  • Multidimensional touch response: pressure, pitch bend, vibrato, glide, and more
  • Built-in EaganMatrix sound engine with 580 factory presets
  • Full support for MPE (MIDI Polyphonic Expression)
  • Audio outputs + MIDI DIN and USB-B connectivity
  • Manufactured in a new factory in Poland

Next-level expressiveness and control

The Osmose 61 opens new expressive possibilities with its unique keybed design. You can create vibrato with a single finger, bend pitch without wheels, or dampen notes through subtle pressure — all directly from the keyboard. It's a revolutionary tool for musical expression in real time.

Applications

  • Studio composition and production
  • Live performance with advanced expression
  • Sound design using cutting-edge synthesis techniques
  • DAW integration with MPE support

Technical Specifications

  • 61 expressive, full-size keys
  • Sound engine: EaganMatrix
  • Polyphony: up to 24 voices
  • Presets: 580 factory + up to 2048 user-defined
  • Audio outputs: 2x 1/4” TRS (line) + headphones
  • Pedal inputs: 2x continuous (assignable)
  • MIDI DIN In/Out/Thru + USB-B
  • Dimensions: 1140 x 410 x 200 mm
  • Weight: 9.5 kg
  • Power supply: 12V DC / 1.5A

Materials and Build Quality

The Osmose 61 is crafted with attention to durability and design. The aluminum chassis, precision key mechanism, and neatly positioned ports reflect its professional build quality. Manufacturing in Europe ensures reliability and high-quality standards.

What's in the box

  • Expressive E Osmose 61
  • User manual

Why choose this product?

The Expressive E Osmose 61 is perfect for musicians who demand unmatched expression, sound design flexibility, and professional-grade performance. With an onboard synth engine, full MPE support, and 61 expressive keys, this instrument will redefine how you play and create music. Osmose 61 is not just a keyboard — it's a new dimension in sound expression.

Shipment

Product delivery details Expressive E Osmose 61 – Expressive keyboard

Shipment from Warsaw, Poland.

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Product faq

Expressive E Osmose 61 – Expressive keyboard - Frequently asked questions.

Does the Osmose 61 function as a standalone synthesizer?

Yes, it includes the EaganMatrix engine and can be used without a computer.


Can I use the Osmose 61 as a MIDI controller?

Yes, it works as a full-featured MPE-compatible MIDI controller.


Does the Osmose 61 support aftertouch?

Yes, each key responds to pressure, including aftertouch and gestures.


What connections are available?

MIDI DIN In/Out/Thru, USB-B, audio outputs, headphone jack, and pedal inputs.


What are the dimensions and weight?

114 x 41 x 20 cm, 9.5 kg.


How many presets can be stored?

580 factory presets + up to 2048 user presets.


Does it integrate with DAWs?

Yes, it works with any DAW that supports MPE.


Is a power adapter included?

Yes, a 12V DC power supply is included in the box.


Does it have onboard effects?

Yes – including reverb, delay, compressor, EQ, and convolution units.


Where is the Osmose 61 manufactured?

It is built in Europe, in Expressive E’s new factory located in Poland.


Attachments

Expressive E to francuski producent instrumentów z siedzibą w Paryżu. Firma tworzy nową generację potężnych instrumentów elektronicznych, koncentrując się przede wszystkim na poprawie doświadczeń podczas tworzenia muzyki. Aby to osiągnąć, Expressive E tworzy produkty, które wnoszą emocjonalną głębię instrumentów akustycznych do świata syntezatorów i elektronicznego tworzenia muzyki. Filozofią firmy Expressive E jest tworzenie sprzętu, który można łatwo podłączyć do dowolnego syntezatora w ramach otwartego ekosystemu.

OCompany

  • Manufacturer's headquarters: France
  • Average product rating: 5.0

PProducts

  • Product count: 5
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