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KEF LS50 Meta Speakers (Pair)


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Enquiry/price check? Click here SKU: KEFLS50MT
Ex VAT: £999.17

World's first speaker to use meta material that absorbs frequencies above 600Hz for more detailed and polished sound.

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Condition: Brand new in original retail packaging

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Warranty length 5 Years
Brand KEF Speakers

Tech Specs

- Design: Two-way bass reflex
- Driver array: Uni-Q drive units
- MF/LF: 5.25" aluminium cone
- HF: 1" vented aluminium dome
- HF: Metamaterial Absorption tech


- Crossover frequency: 2.1kHz
- Freq range (-6dB): 47Hz - 45kHz
- Typical bass response (-6dB) 26 Hz
- Freq response (±3dB) 79Hz - 28kHz
- THD (90dB, 1m): <0.4%, 175Hz - 20kHz
- THD (90dB, 1m): <0.1% 300Hz - 10kHz


- Maximum output: 106dB
- Amp power (recommend): 40-100W
- Nominal impedance: 8Ω (min. 3.5Ω)
- Sensitivity (2.83V/1m) 85dB


- Dimension (HWD): 302 x 200 x 280.5mm
- Weight: 7.8 kg (17.2 lbs)

Product Description

KEF LS50 Meta Speakers (Pair) are high-precision bookshelf speakers built around KEF’s innovative acoustic technology to deliver an immersive and realistic sound from a compact, stylish design.

Metamaterial Absorption Technology

Metamaterial Absorption Technology (MAT) is a complex maze-like structure, where each of the channels efficiently absorbs a specific frequency. These channels absorb 99% of the unwanted sound that comes from the rear of the tweeter to reduce distortion and achieve a more natural performance.


Revolutionary sound absorption with MAT

Developed in partnership with Acoustic Metamaterials Group, Metamaterial Absorption Technology (MAT) is a breakthrough in loudspeaker design and demonstrates KEF’s commitment to developing new technologies for an improved listening experience. Metamaterials are specially developed to use existing materials so that they exhibit new desirable properties.

MAT is a complex maze-like structure, where each of the channels efficiently absorbs a specific frequency. These channels act as an acoustic black hole, absorbing 99% of the unwanted sound that comes from the rear of the tweeter eliminating resulting distortion and producing a purer, more natural acoustic performance.

12th Gen Uni-Q Technology

KEF’s Uni-Q point source configuration delivers detailed and precise audio that is evenly dispersed so you can experience the ‘sweet spot’ wherever you are in the room.

Using simulation, analysis tools, and decades of accumulated knowledge, KEF engineers have developed a new iteration of this signature driver array with a new cone neck decoupler and motor system shaped to reduce HF distortion in the midrange. The result is lower coloration, less distortion, and a more transparent sound. LS50 Meta surpasses the expectation of a bookshelf speaker this size to deliver deep, articulate bass in room-filling sound.


Enhancement from LS50 lineage

Using Computational Fluid Dynamics (CFD), the flare and profile of the flexible off-set port are calculated to delay turbulence. The flexible port walls prevent resonances from colouring the midrange for improved clarity with exceptional depth and detail. LS50 Meta’s extremely rigid cabinet is optimised for best performance with smooth curved surfaces that help disperse sound across the baffle with no interference.

The baffle is engineered from a Dough Moulding Compound (DMC). Inside the cabinet, cross bracing and Constrained Layer Damping (CLD) combine to negate internal vibrations so the LS50 Meta produces the lowest coloration of any speaker in its class.


Room Filling Sound

An improved cone neck decoupler and the motor system has been developed to reduce high-frequency distortion in the midrange, which ultimately results in lower colouration, less distortion, and a more transparent sound. So regardless of the LS50’s bookshelf size, it delivers a deep, room-filling sound.


Solid Structure

The LS50 Meta Speakers have an extremely rigid cabinet that is optimised for performance, it’s smooth curved surfaces help disperse sound across the baffle with no interference. Inside the cabinet, cross bracing and Constrained Layer Damping technology is combined to tackle internal vibrations so the LS50 Meta Speakers produce low colouration.

Mount on Stands

KEF’s LS50 Meta Speakers can be easily mounted on stands. On the underside of each speaker, each corner has a threaded inset that allows the LS50 Meta to lock onto the top of the KEF S2 floorstand.

LS50 Speaker Packages

Here at Audio Affair, we love the KEF LS50 Meta speakers that much that we have created several packages that include these to combine with some of the best integrated amplifiers and streamers that we have to offer. Check out our KEF LS50 Meta packages by clicking Here.

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