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R8a

Dolby Atmos flexible surround

The R8a works as a surround or rear speaker and can bounce sound off the ceiling to create truly cinematic scale with Dolby Atmos.

The flexible R8a can be wall mounted or placed on another speaker for Dolby Atmos height. It has a 130mm (5.25in.) Uni-Q array with a 25mm (1 in.) tweeter to steer the sound for genuine 3D results.

Priced as a PAIR of speakers.

Product Features
KEF R Series three way bookshelf or standmount speaker KEF R Series three way bookshelf or standmount speaker
What is Dolby Atmos?
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?
How does it work? Dolby Atmos is infinitely more flexible and adaptable than channel-based home theatre. 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 theatre’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.
R8a Wall Mounted Surround Speaker
R8a can serve as a surround or rear speaker using the convenient mounting system built directly into the base of the R8a. Sleek and unobtrusive, the R8a makes for an excellent addition to any home theatre system.
KEF R8a can be wall mounted
R8a Dolby Atmos-Enabled Speaker
KEF R8a Dolby Atmos-enabled speakers sit above your existing front and rear floorstanding or bookshelf home theatre speakers. Knowing how the brain perceives sound, KEF engineers have perfected a way of beaming the sound upwards so it reflects off the ceiling to replicate the vertical dimension in Dolby Atmos recordings.
KEF R8a sits on top of your existing speakers
Reviews

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Spec

Finishes: Black Gloss / White Gloss

Model R8a
Design Two-way closed box
Drive Units Uni-Q Driver Array:
HF: 25mm (1in.) vented aluminium dome
MF/ LF: 130mm (5.25in.) aluminium cone
Crossover frequency 2kHz
Frequency range (-6dB) 96Hz - 19.5kHz
Frequency response (±3dB) 105Hz - 18.5kHz
Harmonic distortion (90dB, 1m) <0.3% 200Hz-20kHz
Maximum output 106dB
Amplifier power (recommended) 25 - 150W
Nominal Impedance 8Ω (min.4.2Ω)
Sensitivity (2.83V/1m) 86dB
Weight * 4.45 kg (9.8 lbs.)
Dimension (H x W x D)
with terminal *
173.8 x 174.6 x 259 mm
(6.8 x 6.9 x 10.2 in.)

* Measurement per unit

** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **

Press and Awards
 KEF R Series 2018 R8a Dolby Atmos Module Sound and Vision Review
R8a Dolby Atmos Module Review
“But what I did hear consistently from the upward-firing KEFs on the Atmos-encoded material was enhanced spaciousness and ambience — a larger sonic 'bubble' all around me that my everyday 5.1 setup can't quite duplicate.”
Year: 2019
Magazine / Issuing Body: Sound and Vision
Country of Publication: United States
Product: R8a Dolby Atmos Module

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