FREE DELIVERY on all orders 0 HiFi Speakers Wireless HiFi Speakers Headphones Subwoofers Architectural Collections 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. EXPLORE MORE 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. EXPLORE MORE About KEF KEF.com Newsroom The KEF Story Latest Offer Technology Uni-Q Uni-Core Metamaterial Absorption Technology Support FAQ & Product Support Product Registration Product Archive Privacy Policy Terms and Conditions Service Shipping & Delivery Returns and Exchanges Warranty Find a Retailer Contact Us Worldwide KEF Contact Subscribe Sign up for the latest news and exclusive promotions SUBSCRIBE By subscribing you agree to KEF's Privacy Policy and Terms & Conditions. Destination / Region EU Follow Us Facebook Twitter Instagram Linkedin We accept the following payments American Express Apple Pay Diners ClubDiscoverMastercardPayPalVisa Copyright © 2021, KEF Europe. All rights reserved.