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.
99%  of the unwanted sound from the rear of driver
MAT’s tuned channels
60%  absorption
Loudspeakers using different approaches.

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

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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Uni-Core™ 

KEF’s innovative, patent-pending Uni-Core™ technology redefines the physical space high-performance speakers and subwoofers required 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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