KEF LS50 Meta Bookshelf Speakers (Pair, Carbon Black) – Passive HiFi Audiophile Bookshelf Speaker with Metamaterial Uni-Q Driver

From the brand

KEF is a proud pioneer of excellence in sound.

Since 1961, from our UK home, we have created remarkable award-winning speakers.

KEF exists to fill rooms with music as it was made to be heard, to move souls with truly authentic soundscapes. Now, we’re bringing more people with us on our journey to discover the power of great sound.

Now in our seventh decade, we’re staying at the forefront of audio excellence.

Uni-Q Technology

Hear everything, no matter where you sit. With KEF’s Uni-Q technology, every seat is the best one in the house. We’ve placed the tweeter precisely at the acoustic centre of the bass/midrange cone. This single point source disperses sound evenly throughout the room, eliminating a singular ‘sweet spot’ and allowing everyone to experience pure sound, no matter where they’re seated.

KEF LS Wireless Collection

Metamaterial Absorption Technology

A truly revolutionary tool in the KEF acoustic armoury, Metamaterial Absorption Technology (MAT) is a highly complex maze-like structure that absorbs 99% of the unwanted sound from the rear of the driver, eliminating the resulting distortion and providing purer, more natural sound.

KEF Bookshelf Speakers

Music Integrity Engine

KEF’s Music Integrity Engine (MIE), a proprietary suite of in-house coded DSP 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.​

KEF Kube Subwoofers

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.

Single Apparent Source Technology

At the heart of Blade lies Single Apparent Source technology; a unique technology that aims to achieve the acoustic ideal of a point source, where low, mid and high frequencies radiate from one point. It is what makes the Blade incredibly coherent, with noticeably more precise imaging.

METAMATERIAL ABSORPTION TECHNOLOGY – MAT absorbs 99% of unwanted sound from the rear of the tweeter, eliminating distortion for purer, more natural sound than conventional bookshelf speakers can deliver
12TH-GENERATION UNI-Q DRIVER – 25mm vented aluminium dome tweeter sits at the acoustic centre of the 5.25in midbass cone, creating a single point source that spreads detailed, accurate sound evenly across the room
AUDIOPHILE PASSIVE DESIGN – 8 ohm nominal impedance with 40-100W recommended amplifier power; frequency range 47Hz-45kHz (-6dB) reveals the depth and detail in every recording
HIFI OR HOME THEATER – reference-grade bookshelf speakers for two-channel stereo listening, or a timbre-matched front stage for a KEF home theater system; sold as a pair
AWARD-WINNING DESIGN – What Hi-Fi? Product of the Year winner; precision cabinet with constrained layer damping, pairs with the KEF S2 floor stand for ideal listening height

Product summary

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