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R50 Dolby Atmos Module

Designed to sit above freestanding or wall-mounted home theater satellite speakers, the new KEF R50 Dolby Atmos Speaker Module adds the all-important vertical sound dimension that allows you to enjoy at home the staggeringly realistic 3D sound image that Dolby Atmos creates in cinemas.

What is a Dolby Atmos Home Theater?How to setup Dolby Atmos

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What is Dolby Atmos?

In real life, sound comes from all around. But conventional surround systems only allocate it horizontally – left, right, ahead and behind. What makes Dolby Atmos so staggeringly realistic is that the movement of every sound in the scene is reproduced in all three dimensions, including vertically. This creates a true 3D acoustic image of precisely located individual sounds that move in relation to you as if you were actually there. The effect is uncanny. Exhilarating. Sometimes scary, sometimes hilarious; always engrossing.

How Does It Work?

Dolby Atmos is infinitely more flexible and adaptable than channel-based home theater. When a Dolby Atmos stream is fed to a Dolby Atmos compatible A/V receiver, the receiver will render the object-based audio to your home theater's unique speaker configuration to precisely recreate the sound the filmmakers intended. Dolby Atmos has the ability to adapt to diverse speaker setup. You can enjoy the full effect with just seven KEF speakers.

What Do I Need?

With an A/V receiver or pre-processor that supports Dolby Atmos decoding and playback in your system, you can play Dolby Atmos content at home through any Blu-ray disc player or game console, or via your favourite streaming service (with the device set to bitstream output and secondary audio disabled). Then it’s a just question of choosing your extra speakers – and for home theater audiophiles, that means KEF.

KEF gives you two ways of reproducing Dolby Atmos soundtracks – either by installing Ci Series flush-mount speakers in the ceiling, or simpler still, adding the sensational new KEF R50 up-firing Dolby Atmos-enabled speaker module to your front and rear satellites. Either way, it’ll transform your enjoyment of film.

R50 Dolby Atmos-Enabled Speaker Modules

KEF’S new R50 Dolby Atmos-enabled speakers sit above your existing floorstanding or bookshelf home theater speakers. Knowing how the brain perceives sound, KEF engineers have perfected a way of beaming the sound upwards so that it’s reflected by the ceiling to replicate the vertical dimension in Dolby Atmos recordings. Integrating perfectly with R Series and Reference ranges aesthetically as well as sonically, the closed-box design of the R50 is built around the Uni-Q array developed for the revolutionary KEF Blade. With a sophisticated 25mm (1-in.) tweeter at the centre of a 130mm (5.25-in.) bass/mid driver and KEF’s ‘tangerine’ waveguide to maximize dispersion, it has excellent dynamics with accurate, fast and clean midrange response. And as the speaker footprint is the same, no more space is required.

Dolby, Dolby Atmos, Dolby Surround, and the double-D symbol are trademarks of Dolby Laboratories.
THX, the THX logo, and Ultra2 are trademarks of THX Ltd. THX and the THX logo are registered in the U.S. and other jurisdictions. All rights reserved.

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    Model R50
    Design Closed box
    Drive Units Uni-Q driver array:
    HF: 25mm (1in.) vented aluminium dome
    LF/MF: 130mm (5.25in.) aluminium
    Frequency range (-6dB) 96Hz – 19.5kHz
    Frequency response (±3dB) 105Hz – 18.5kHz
    Crossover frequency 2.5kHz
    Amplifier requirements 25 - 100 W
    Harmonic distortion 2nd & 3rd harmonics
    (90dB, 1m)
    <0.4% 200Hz-20kHz
    Maximum output 106dB
    Nominal impedance 8Ω (min. 4.8Ω)
    Weight 4.5kg (9.9lbs.)
    Dimension (H x W x D)
    (with grille and terminal)
    174 x 180 x 259 mm
    (6.9 x 7.1 x 10.0 in.)
    Finishes Available in Piano black high gloss only
    **KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. Dolby, Dolby Atmos, Dolby Surround, and the double-D symbol are trademarks of Dolby Laboratories.**
    R Series Brochure
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    R Series Manual
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    R50 Dolby Atmos-enabled Speakers Information Sheet
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    Dolby Atmos for Home FAQs
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    Dolby Atmos for Home Theater White Paper
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    Dolby Atmos-enabled Speaker Technology White Paper
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