KEF
Amplifiers
Headphones
Speakers
Subwoofers
Website
Best Known For
Speakers
/
Used Products
574
 Available
Average Price
$1,001-$2,500
Brand Popularity
1
 of 900+
Products Listed
95
Review Count
304
Founding Year
1961
Headquarters
United Kingdom
KEF
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What's unique about the brand

KEF's signature Uni-Q technology places the tweeter in the center of the woofer to create a single point source for sound, while their Metamaterial Absorption Technology absorbs 99% of unwanted sound from the rear of the driver. Their Music Integrity Engine corrects timing errors in the speaker crossover, and their Shadow Flare technology reduces diffraction for improved detail and clarity in sound reproduction.

What reviewers are saying

We read all the reviews. Here's what reviewers feel most strongly about:

  • KEF's designs prioritize a "Single Apparent Source" through coaxial driver technology, aiming for a coherent soundstage where frequencies appear to originate from a single point, enhancing realism and spatial accuracy.
  • The brand incorporates "Metamaterial Absorption Technology (MAT)" into its drivers, utilizing a maze-like structure to absorb unwanted sound waves from the rear of the driver, resulting in cleaner and more defined output.
  • They offer a wide range of streaming and connectivity options, with their powered loudspeakers responding to the proprietary KEF Connect app, which delivers multiple streaming services and facilitates setup and customization.
  • KEF frequently collaborates with renowned industrial designers to create visually striking products that seamlessly blend into modern living spaces, balancing aesthetic appeal with acoustic performance.

Our favorite reviewer quotes:

  • "KEF's LS60s sound like nothing at all, which is precisely what a truly transparent audio system should do. The KEFs made this hair-raisingly alive, filling all the space between the speakers, with the vocal thrust roundly out into the room." (https://www.soundandvision.com/content/kef-ls60-wireless-powered-loudspeakers-review)
  • "Well, in a nutshell, we've never heard this track sound so right, those widely-positioned brushes in particular, but also a perfect crispness to her vocal that lifted it from the soundstage, revealing every nuance, but with zero overemphasis, no push, no sibilance. Up to the chorus and there was no compression whatsoever of those stacked harmonies, each layer audible – almost visible – within a full spread of sound that was simultaneously both a window into the mixing minutiae and yet also sounding utterly studio real." (https://www.whathifi.com/reviews/kef-blade-two-meta)
  • "The soundstage presentation is Even more impressive; Blade Two Meta can blend into the environment, allowing visual attention to focus solely on the soundstage's arrangement of instruments and vocals. Vocals float in space, sounding sweet and polished without any dryness." (https://www.hifireport.com/kef-blade-two-meta-review)
  • "The Reference 5 Meta delivers an excellent result, capturing the spatial attributes with a sense of expansiveness and ethereality. The soundstage possesses depth, extending behind the speakers and creating a sense of distance, resulting in a natural and comfortable listening experience." (https://www.hifireport.com/kef-reference-5-meta-review)
Want to report a correction? Please contact us. We'd love to hear from you. Note that much of the data, recommendations, and summaries on ExtremeHiFi are researched after thousands of hours of loving labor. We archive our site's data and its pages on Archive.org and monitor for those repurposing the data. We also fingerprint data to know when text and numbers came from us.

Our interview with the brand

What are two key technological innovations or strong opinions that differ you from other brands?

What's your approach to customer support?

What are your favorite tracks for showcasing the strength of your products?

What other products pair best with yours?

From Julian's interview with
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Products

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Lineup comparison

We think it's helpful to understand how their products compare. To learn more about each, scroll to the section above to click through to individual product pages.

T Series

  • Positioning: The ultra-slim speaker line, designed to complement modern flat-screen TVs with a minimal footprint.
  • Description: While delivering a sleek aesthetic, the flat diaphragm driver maintains rigidity and minimizes resonance, providing clean and accurate sound. However, compared to other KEF lines like the Q or R Series, it may offer less depth in bass response due to its slim design.

Q Series

  • Positioning: The entry-level range offers versatile speakers suitable for both stereo and home theater setups.
  • Description: Features Metamaterial Absorption Technology (MAT) and the 12th generation Uni-Q driver array, delivering detailed and natural sound. While it provides excellent value, it lacks some of the advanced damping and driver technologies found in the higher-end R and Reference Series, which offer more refined sound reproduction.

R Series

  • Positioning: Bridges the gap between the entry-level Q Series and the high-end Reference Series, incorporating technologies from the latter to enhance performance.
  • Description: Equipped with Metamaterial Absorption Technology (MAT) and the 12th generation Uni-Q driver array, delivers precise and immersive sound. Unlike the Q Series, it includes Shadow Flare technology to reduce cabinet diffraction, resulting in clearer high frequencies.

The Reference

  • Positioning: As KEF's high-end line, sets the benchmark for audiophile-grade sound reproduction.
  • Description: Incorporating Metamaterial Absorption Technology (MAT) and a 12th generation Uni-Q driver array, offers exceptional clarity and detail. It also features advanced cabinet construction and flexible port technology for cleaner bass compared to the R Series. However, it doesn't achieve the Single Apparent Source configuration found in the Blade Series, which provides even more precise imaging.

Blade Series

  • Positioning: Represents KEF's innovative approach to speaker design, featuring the world's first Single Apparent Source loudspeakers.
  • Description: With Metamaterial Absorption Technology (MAT) and the 12th generation Uni-Q driver array, delivers coherent and precise sound. Its unique cabinet design minimizes resonances and diffraction, surpassing the traditional enclosures of The Reference Series.

MUON

  • Positioning: Stands as KEF's flagship speaker, combining cutting-edge acoustic engineering with avant-garde industrial design.
  • Description: Crafted from super-formed aluminum, the rigid structure minimizes vibrations, delivering ultra-wide bandwidth and immersive sound. While it shares the Uni-Q driver array with other KEF models, its exclusive design and limited production make it a collector's item.
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Julian Shapiro
ExtremeHiFi Writer

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