Astell&Kern x Empire Ears Odyssey


Empire Ears x Astell&Kern

A Benchmark Collaboration founded on the same passion for the extraordinary

Astell&Kern is challenging the possibilities of infinite sound and always striving for purest sound imaginable. We wanted to fully convey the overwhelming sound of the newest flagship A&ultima SP3000, which was created by our continued efforts, through the best IEM that deserve it.

Empire Ears is an uncompromising and prestigious manufacturer of IEMs that are the most original and complete with the latest technologies. Astell&Kern and Empire Ears, completed Odyssey to present our most extraordinary sound with our flagship products containing the essence of A&K and Empire Ears.

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Journey to Sound Perfection

Empire Ears’ never-ending pursuit of extraordinary drove them to build an IEM that is unashamedly without compromise. With technology harnessed from the Odin and Legend EVO we’ve distilled everything we’ve learned into this epic collaboration to create the next generation in-ear monitor, Odyssey. Our legacies are proof that attention to detail and visionary innovation conceive magnificent design. Never before has this been truer than with the partnership between two extraordinary companies collaborating to construct a revolutionary new in-ear monitor category.

Quadbrid Design

Even with low-volume quantities, we develop and build several of our own bespoke drivers rather than outsourcing them from other manufacturers. Doing so gives us the freedom to develop groundbreaking technology unrestricted by industry limitations or compromises. The Odyssey is proof of concept of the incredible engineering at Empire Ears. At its core is a proprietary 10 drivers Quadbrid system composed of twin W9+ Subwoofers, 5 Balanced Armatures, dual Electrostatics and a W10 Bone Conductor. With 7-way synX cross over network and EIVEC MKII engine, harmonize all 10 drivers of Quadbrid System, ensuring perfect coherence and timing throughout its remarkable 5Hz-100kHz frequency response range.


The all-new EIVEC MKII engine was developed specifically for Odyssey to ensure optimal timing, phasing and control between the electrostatic and bone conduction drivers – a monumental achievement. Empire Intelligent Variable Electrostatic Control – EIVEC - is Empire’s approach to incorporating electrostatic EST drivers into IEMs. For all the incredible range and resolution, electrostatic drivers are notoriously hard to control, often overpowering other drivers. EIVEC is our solution to that, and the degree of control provided by EIVEC is so precise that the electrostatics can operate independently, performing disparate tasks within the sound stage to deliver layer upon layer of detail and texture for unparalleled performance.

Dual Conduction

The Odyssey fully exploits the best of both worlds with its pioneering Dual Conduction Architecture (DCA). A full range 5Hz-100kHz frequency response is delivered via air conduction from the dual W9+ subwoofers, five balanced armatures and dual electrostatics while imaging, soundstage, detail retrieval, low frequency extension and reverb is extraordinarily enhanced from 5Hz-40kHz via bone conduction from the W10. Through the use of DCA and Empire’s masterful tuning the Odyssey reproduces the most immersive, pure and stereophonic sound possible.

ENIGMA – A Visual Masterpiece

ENIGMA is an ultra-exclusive, one-of-a-kind dichroic faceplate that features nine individual polymer layers in three proprietary lamination steps. Each lamination is unique in its ability to filter and reflect specific wavelengths of light. This results in a faceplate that will produce breathtaking color transitions as the viewing angle changes -- literally shifting before your very eye. Enigma is masterfully handcrafted in the USA by an award winning chemist that currently holds two patents in polymer science for high solids coating chemistry.

A.R.C. Treated Chassis

Any flex in the enclosure walls will have unequal resonant frequencies and by treating the internals in critical areas with ARC we gain control of the room, allowing what gets reflected and/or absorbed. This eliminates any unwanted sound and allows the tone of the drivers to be as pure as possible.

synX Crossover Technology

Genetically dissimilar from the rest of the IEM world, our synX crossover network truly stands out with countless bespoke methods and technologies protecting it as a unique masterpiece. A marriage of 4 distinct driver technologies is symphonized via a proprietary 7-way synX crossover network, ensuring maximum performance from all 10 drivers.

Designed, Engineered & Proudly Handcrafted in the USA

An elite team of Empire’s finest have been tasked to build the Odyssey at the Empire Ears facility in Atlanta, Georgia USA where 5,000 square feet is reserved exclusively for this collaboration. Each stage of Odyssey’s production is hand-built by one master technician and engineer and passed onto the next, guiding each pair along its journey to completion through 10 stations for a total of 9 hands-on hours per set. The Odyssey is not only the most technologically advanced IEM Empire has ever built, but also the most exclusive.



10 Drivers Quadbrid, Dual Conduction Design
[Dual] W9+ Subwoofers
[Five] Proprietary Balanced Armature Drivers
[Dual] Electrostatic Tweeters
[W10] Bone Conduction Ultra Driver


4.4mm Bespoke Effect Audio ARES II UPOCC Copper Litz Cable / Pentaconn Termination
4.4mm to 3.5mm Pentaconn adapter


ENIGMA Faceplate with 3D Printed
Hand Polished A.R.C. Treated Chassis shell

Frequency Response



100dB @ 1kHz, 1mW


2.1 ohmz @1kHz


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