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HiFi Speakers Wireless HiFi Speakers Subwoofers Headphones Architectural Speakers Floorstanding Speakers Bookshelf Speakers Centre Channel Speakers Certified Refurbished Last Chance Latest Offer

HiFi Speakers

Wireless HiFi Speakers

Subwoofers

Headphones

Architectural Speakers

KEF’s HiFi speakers and innovative technologies have brought listeners closer to the music they love. KEF sets new standards with class-leading models across our wide range.

The new Q Series with MAT™ always has the right sound solution for you

Drawing on decades of acoustic expertise, KEF’s range of wireless audio systems are designed for how we listen to music today.

Comprehensive range of subwoofers deliver depth and accuracy in equal measures. Room-friendly designs and innovative technology keep them ahead of the pack.

KEF headphones deliver natural, accurate sound on the go. Noise cancelling, wireless, built for comfort, beauty and complete clarity, this is music as it deserves to be heard.

The combination of innovative engineering and sophisticated acoustic design ensures KEF’s architectural speakers offer as compelling a performance as its revered stand-alone HiFi speakers.

KEF’s comprehensive collection of in-wall architectural speakers offers exceptional performance from models designed to disappear into their environment.

KEF’s comprehensive collection of in-ceiling architectural speakers offers exceptional performance from models designed to disappear into their environment.

KEF’s installed subwoofers offer incredible sonic performance whilst remaining visually discreet.

On the patio, by the pool, or on a yacht, the KEF Ventura Series outdoor speakers let you enjoy music without compromise.

Our Story Technology Uni-Q^® Uni-Core^® Metamaterial Absorption Technology Single Apparent Source Technology Music Integrity Engine^® Partnership KEF x LOTUS Our Experience Locations KEF Music Gallery KEF Music Room

Newsroom Collections LS Wireless Collection LS50 Collection Ross Lovegrove Collection Michael Young Collection

Stories begin in 1961, from our UK home, where we have created remarkable award-winning speakers.

Learn about the heart of almost all our speakers. Our pioneering technology developments - the Uni-Q^® driver array.

Explore our patent-pending Uni-Core^® technology redefines the physical space high-performance speakers and subwoofers required to deliver deep and accurate bass.

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.

Single Apparent Source technology aims to achieve the acoustic ideal of a point source, where low, mid and high frequencies radiate from one point.

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.

In a partnership of two iconic British brands, KEF has created the most immersive in-car audio system to complement the unrivalled driving experience offered by Lotus.

KEF Experience Locations – where guests can discover and experience the magic of great sound, and where our motto ‘Listen and believe’ is brought to life.

In an atmosphere reminiscent of an exclusive private club, guests are invited to leave the real world outside and immerse themselves in music and art.

At KEF experience locations, guests can experience the astonishing power of KEF sound for themselves. Here, the KEF commitment to perfection – and our motto ‘Listen and believe’ – are brought to life.

Get to know about our latest news.

The LS Wireless Collection is a series of all-in-one high-fidelity music systems developed to transform your entertainment experience by delivering the power of high-fidelity sound as streamed from any source and connect to any home audio device.

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.

Renowned for his visionary designs and sculptural forms, Ross Lovegrove embraces both beauty and technological ingenuity in his work. Through an ongoing collaboration with KEF, true innovation and engineering excellence combine to bring a new dimension to sound.

Among the most dynamic and innovative industrial designers, long-time KEF collaborator Michael Young is renowned for a style that is at once elegant, minimalist and full of personality.

Ci Software Download

Ci Software Download

Ci Software Download

KEF Speaker Placement Tool

Created by KEF UK engineering, the "KEF Speaker Placement Tool" is a software program* designed to assist you in the placement and layout of KEF Ci loudspeakers. Able to accommodate both 70V/100V and stereo music systems the software will graphically show room sound coverage, show speaker layout, and to provide wiring diagrams. For your convenience room layouts can be saved, printed, exported, and retrieved for future reference.

Download Ci Software

* KEF Speaker Placement Tool currently runs only on Windows based machines. Due to a compatibility issue between the "KEF Ci Speaker Placement Tool" and the latest version of Java, previous versions of the "KEF Ci Speaker Placement Tool" may not run. To correct this problem please uninstall the KEF Ci Software and then download and install the latest version from the link on this page.

KASA500 Software Update Tool

KASA500 is a powerful Class-D Dual 250WPC amplifier. This DSP controlled system amplifier is optimized to deliver thunderous bass from KEF Ci subwoofers. With both line and speaker level inputs, and DSP configurable pass-through with optional high pass filters – the KASA500 is versatile and can be deployed in limitless system configurations. To allow for future flexibility KEF engineers may update the KASA500 DSP firmware to optimize performance with additional KEF speakers. The KASA500 Programmer* is a proprietary tool for updating the KASA500 firmware. NOTE: KASA500 software requires a "USB Type A Male to USB Type A Male cable" for connection between your computer and the KASA500.

Download KASA500 Programmer

The latest KASA500 Firmware provides settings for KEF Ci subwoofer models Ci3160RLb-THX, Ci200QSb-THX, Ci200TRb, Ci4100QLb and Ci250RRb with THX certified performance (if applicable) in both mono and stereo mode.

Download KASA500 Firmware Rev. 10.05

Download KASA500 EQ setting dip switch chart

KASA500 manual includes installation diagrams for both home theater and music sub/satellite installations.

Download KASA500 user manual

* KEF KASA500 Programmer currently runs only on Windows based machines.

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