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Open Box - R900 Floorstanding Loudspeaker

CA $ 2,499.99

The KEF R900 is the flagship model of the R Series line, making genuine audiophile standards of entertainment more affordable than ever before. R900 features twin 8-inch LF drivers positioned above and below the remarkably sweet and accurate 5.25" Uni-Q driver array.

Priced as EACH. For a pair of R900 speakers, please add two of these to your Shopping Cart.

* The R Series Sale is on while supplies last. Offer available direct from KEF and from your local KEF Dealer.
** Note Inventory is extremely limited. Don't miss your chance to own the R900 today!

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Product Features

Amazingly fast and clean mid-range response. Startlingly pure high frequencies. All operating as a single perfectly integrated voice to deliver sweet, accurate sounds of unprecedented clarity.

KEF Uni-Q driver array is nothing short of a masterpiece. Unlike conventional speakers, the mid-range cones are rigid agnesium/aluminum constructions that reduce breakup problems. The new mid-range Z-flex surround smoothes the tweeter transition to the front baffle, which results in undistorted high frequencies.

Large voice coils increase power handling and dynamics, reducing distortion and delivering exceptional vocal clarity.

Venting the tweeters reduces pressure behind the dome, increasing midrange bandwidth and lowering distortion. Upper registers are articulated with flawless precision. KEF’s tangerine waveguide helps disperse higher frequencies evenly across a wider angle to flood the room with a sophisticated, refreshingly natural sound field.

Dynamic, uncompressed and undistorted bass of heart pounding clarity envelops you, striking deep emotional chords. Your soul will awaken. And the earth will move.

Bass Driver

Massive, vented magnet assemblies and large aluminum voice coils drive the lightweight yet stiff, strong hybrid cones. Bass output is faster, cleaner and more accurate. Satin anodised elements contribute to the unit’s elegance, while the diameter of the trim ring accentuates a visual sophistication that belies the speaker’s awesome power.

Designed from the ground up, the R series is a towering leap forward that creates a new dimension in sonic authenticity.

The geometry and bracing of the enclosure optimises vibrational behavior, reducing secondary radiation from cabinet walls for a cleaner sound. Damping panels further minimize cabinet resonance and colouration.

Front baffles are clean with no visible screws. Grilles are fixed magnetically. Available in real Walnut veneer, or highly polished Piano Black or White, the R Series complements the home as much as it respects the music.

A little finesse goes a long way to delivering a big impact. Every aspect of the R Series has been considered in the creation of a superb audio experience.

Adjustable die cast aluminum feet support steel spikes, with integrated locking knobs for easy height adjustment. Nickel plated bi-wire connectors with terminal linking control allow all standard connection methods and provide easy, reliable connection.

The geometry of the reflex ports has been tuned to minimize turbulence at high levels, reducing port noise and low frequency compression.


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Model R900
Design Three-way bass reflex
Drive units Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units:
LF: 2 x 200mm (8in.) aluminium
Frequency range (-6dB) 35Hz - 45kHz
Frequency response (±3dB) 40Hz - 28kHz
Crossover frequency 400Hz, 2.9kHz
Amplifier requirements 25 - 250 W
Sensitivity (2.83V/1m) 90dB
Harmonic distortion
2nd & 3rd harmonics (90dB, 1m)
<0.4% 80Hz-20kHz
Maximum output 115dB
Nominal impedance 8Ω (min. 3.7Ω)
Weight 29.5kg (65lbs.)
Dimension (H x W x D)
(with grille and terminal)
1130 x 240 x 365 mm
(44.5 x 9.4 x 14.4 in.)
Dimension (H x W x D)
(with grille, terminal & plinth)
1181 x 359 x 388 mm
(46.5 x 14.1 x 15.3 in.)

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


Press and Awards
"If you're looking for premium speakers to fill your home theatre and handle a variety of musical genres, you can't do much better than the KEF R Series. Transparent. Well-rounded. Superb rendering and imaging at all volume levels. A powerful-yet-compact subwoofer. Fantastic in pieces, but as a complete sysem your home will sound better than your local movie theatre."
Year: 2016
Magazine / Issuing Body: High-Def Digest
Country: United States
Product: R900, R700, R500, R600c, R400b
Click here to read the full review!
HiDef Digest Review
"The KEF R900 speaker is a well-conceived, three-way tower that performs well above its price point. As a stereo pair, the speakers offers a balanced symmetry with airy highs, a very good midrange and ample low-end with nary any bloominess."
Year: 2016
Magazine / Issuing Body: Everything Audio Network
Country: United States
Product: R900
Click here to read the full review!
Everything Audio Network R900 Review
Best Floorstanding Speaker - Gold
Year: 2015
Magazine / Issuing Body: SVI
Country: United Kingdom
Product: R900
Great Buy - SoundStage!
 KEF’s R900 is exemplary. Its sound is linear and coherent from bottom to top, offering more than a glimpse of what the best loudspeakers offer, and at what must be considered an affordable price. It has no real shortcomings, only an abundance of strengths -- and an emphatic recommendation from a writer usually allergic to such things.
Year: 2013
Magazine / Issuing Body: Soundstage!
Country: United States
Product: R900
 • Click here to read the review in full
Year: 2012
Magazine / Issuing Body: HAUTE FIDELITE
Country: France
Product: R900
Year: 2012
Magazine / Issuing Body: MAGAZINE CLASSICA
Country: France
Product: R900
Gold Award - Over 500K Yen/ PR, Under 1 million Yen/ PR
Year: 2011
Magazine / Issuing Body: AV Review
Country: Japan
Product: R900
R Series Brochure • Open In New Window
• Download
R Series Manual • Open In New Window
• Download

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