KEF LS50 Meta
Bookshelf Speakers

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KEF LS50 Meta Bookshelf Speakers

The World's First Speakers with Metamaterial

Great loudspeakers disappear, leaving just the music. LS50 Meta is such a loudspeaker. The incredibly immersive sound means you lose yourself in your favourite music. Savouring every nuance as layer upon layer of instrumentation is delivered with exceptional acoustic accuracy anywhere in the room.

Performance

Most accurate, immersive sound

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.



Every spot is the sweet spot
12th generation Uni-Q with MAT

Using advanced simulation and analysis tools, our engineers have developed the 12th generation Uni-Q with MAT. This new driver array delivers reduced coloration, less distortion and a sound that is more transparent and life-like than previously possible, all dispersed evenly throughout the room.

Enhancement from legendary LS50 Lineage

Great loudspeakers disappear, leaving just the music. LS50 Meta is such a loudspeaker, and enhancements over the legendary LS50 include Driver Performance Optimisation and patented off-set flexible port for the best acoustic performance and an incredible immersive sound.

Curved for performance

LS50 Meta’s low-diffraction, curved baffle is precision modelled around the Uni-Q driver array. It’s smooth curved surfaces help radiate sound out across the baffle without any interference from hard edges, which cause diffraction. The result is cleaner, more precise sound.

Braced for action

LS50 Meta’s baffle is engineered from an injection-moulded Dough Moulding Compound (DMC), while inside the cabinet cross bracing and Constrained Layer Damping (CLD) combine to deaden internal vibrations. The result of such meticulous attention to detail is the lowest coloration of any speaker in its class.

Flexible port

Using Computational Fluid Dynamics (CFD), the port flare and profile of LS50 Meta’s patented off-set port is calculated to delay the onset of turbulence, and the flexible port walls prevent resonances from colouring the midrange. This leads to improved clarity, with exceptional depth and detail.

Design

Attention to every detail

Every aspect of LS50 Meta has been considered for acoustic benefits and from a design perspective. The low-diffraction curved front baffle is subtly mirrored by the gently radiused rear panel, where both the port exit and speaker terminals have been elegantly recessed and softened visually.

Designed for performance

LS50 Meta may look sensational, but as a high-performance loudspeaker every aspect of its design is a case of form following function. From the precision modelled curved baffle to the solid, reinforced cabinet, every inch of LS50 Meta has been designed to perform.

Finished to perfection

LS50 Meta is much more than just a utilitarian loudspeaker; it is a piece of sculpture that livens up your life. This is why we offer a choice of four finishes, Carbon Black, Titanium Grey, Mineral White, and Royal Blue Special Edition.

What's new

Owners of the award-winning LS50 may find themselves asking what’s new? After all, LS50 Meta certainly shares a likeness with the original. But while LS50 is a great speaker, LS50 Meta and the technological advances it boasts offer a truly dramatic improvement in sound quality.

LS50 Meta

LS50


Driver Unit

12th Generation

Uni-Q with MAT

+40%

frequency response smoothness

11th Generation

Uni-Q

Driver rearward Source Absorption

99%

by MAT

60%

by vented tweeter

Mid-band Total Harmonic Distortion (THD) at 90dB/1m

THD 0.07%

Extremely low distortion by driver motor redesign

THD 0.1%

Low distortion
ModelLS50 Meta
DesignTwo-way bass reflex
Drive UnitsUni-Q Driver Array:
HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology
MF/LF: 130 mm (5.25 in.) aluminium cone
Crossover Frequency2,1 kHz
Frequency Range (-6db)47 Hz - 45 kHz
Typical In-room Bass Response (-6db)26 Hz
Frequency Response (±3db)79 Hz - 28 kHz
Harmonic Distortion (90db, 1m)<0,4% 175 Hz - 20 kHz
<0,1% 300 Hz - 10 kHz
Maximum Output106 dB
Amplifier Power (Recommended)40-100 W
Nominal Impedance8 Ω (min. 3,5 Ω)
Sensitivity (2.83V/1m)85dB
Weight (Per Unit)7.8 kg (17.2 lbs.)
Dimension (H X W X D) With Terminal (Per Unit)302 x 200 x 280.5 mm (11.9 x 7.9 x 11.0 in.)
What Hi-Fi Awards 2022
"What Hi-Fi? 2022 Product Of The Year"
What HiFi Awards 2020
"What Hi-Fi? 2020 Award Winner!"
What Hi-Fi Awards 2023
"What Hi-Fi? 2023 Award Winner!"
What Hi-Fi Awards 2021
"What Hi-Fi? 2021 Award Winner!"
What Hi-Fi 5 Star Review
"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"

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