KEF Technology

Metamaterial Absorption Technology

WHAT HI-FI? AWARDS 2020 - 'INNOVATION OF THE YEAR'
“KEF has taken an excellent speaker and made it even better with its innovative Metamaterial tech. The LS50 Metas are now the class leader at this level.” - September 2020, What Hi-Fi?

Revolutionary sound absorption

A truly revolutionary tool in the KEF acoustic armoury, Metamaterial Absorption Technology (MAT™) is a highly complex maze-like structure that eliminates unwanted sound from the rear of driver, resulting in a purer, more natural performance.

Created to eliminate 99%

Metamaterials are specially developed structures that use existing materials in such a way that they exhibit new properties. MAT’s tuned channels absorb 99% of the unwanted sound from the rear of driver, compared to around 60% absorption from loudspeakers using different approaches.
MAT’s tuned channels
Absorb 99%
of unwanted sound from the rear of driver
Loudspeakers using different approaches
Absorb 60% - 80% 
of unwanted sound

Always Innovating

KEF always pushes the technological boundaries in its mission to create the best possible sound; MAT™ is the physical manifestation of that drive. The result of a joint development project with the Acoustic Metamaterials Group, MAT breaks completely new ground in loudspeaker design.
DOWNLOAD MAT™ AES PAPER

Blade

The world’s First Single Apparent Source loudspeaker. Originally designed as a concept speaker, Blade is the world’s first single apparent source loudspeaker that extended the boundaries of what high end audio can achieve. It is what makes the Blade incredibly coherent across the frequency range, with noticeably more precise imaging that is possible from any conventional speaker.
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LS60 Wireless

LS60 Wireless is KEF’s first wireless tower stereo system. A heady combination of Blade’s Single Apparent Source design, Uni-Q® with MAT and other signature KEF technologies, the iconic slim design is the work of Michael Young and KEF product design team.
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The Reference

The essential for any audiophile. Hand built by the masters who set the standard for audio quality, The Reference has been the benchmark for loudspeakers and sound reproduction. The Reference is an embodiment of KEF’s philosophy and the relentless pursuit of perfection.
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R Series

A suite of the latest technologies developed for KEF’s flagship The Reference has now made its way into the R Series.  Whether in stereo for music or in a home theatre set up, the R Series makes exceptional acoustic performance more accessible. The R Series reveals exquisite detail and incredible insight,  truly an experience to savour.
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The LS50 Collection

Really great loudspeakers simply melt away, leaving you with just the music. A pristine voice, perfectly rendered layers of instruments you can lose yourself in, sound so clear it’s as though the artist is there with you. This is what great loudspeakers with the best technology deliver.
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More KEF Technology

Single Apparent Source
Technology

Single Apparent Source technology aims to achieve the acoustic ideal of a point source, where low, mid and high frequencies radiate from one point. Perfectly calibrated drivers that cover the entire bandwidth of the loudspeaker are configured so that all frequencies appear to radiate from one single point. The result is noticeably more precise imaging and highly accurate sound across a wider area.
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Uni-Core® 

KEF’s innovative, patent-pending Uni-Core® technology redefines the physical space that high-performance speakers and subwoofers require to deliver deep and accurate bass. Through exceptional engineering and creativity, KEF’s engineers have revolutionised the traditional force cancelling arrangement with a Uni-Core® design that delivers deeper bass from ultra-compact cabinets.
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Uni-Q®

KEF’s many pioneering innovations are all geared towards delivering breath-takingly natural sound; sound that lets you enjoy music as it was meant to be heard. Of all these pioneering developments, it is the Uni-Q® driver array that sits at the heart of almost all our speakers.
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Music Integrity Engine®

KEF’s Music Integrity Engine® (MIE), a proprietary suite of in-house coded DSP (Digital Signal Processing) algorithms, is the mastermind behind our wireless HiFi speakers and subwoofers. Each unique Music Integrity Engine is precisely tuned to allow all components within the individual wireless HiFi speaker or subwoofer to work in perfect harmony, elevating the overall performance for remarkable integrity, detail, and accuracy of sound.​
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