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R400b Subwoofer

At just 14 inches square, the KEF R400b high performance subwoofer is compact, yet packs an incredible punch. Only a serious subwoofer could keep up with KEF's R-Series, and the R400b makes an awe-inspiring addition to any listening room or home theater set-up.

• Click here to read the latest R Series review from High-Def Digest!

MX $32,300.00
Características del Producto

The R400b's reinforced and solidly braced cabinet houses twin 9in. LF drivers powered by twin 250W Class-D amplifiers. The drivers are mounted back-to-back: This ‘force cancelling' arrangement nullifies opposing reactive forces. The result is virtually no cabinet agitation and therefore a clean, fast, powerful bass performance.
Legendary KEF R Series
Featuring many of KEF’s latest innovations in premium hi-fi and home theatre loudspeaker technology, the R Series makes genuine audiophile standards of entertainment more affordable than ever before. Stunningly fluent Uni-Q driver arrays combine with potent new bass drivers and many ingenious refinements to create a rich, spacious sound image of such accuracy that it approaches the benchmark standards of KEF’s legendary Reference Series.

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Especificaciones
Model R400b
Design Powered Subwoofer (Sealed)
Drive Units Bass units:
LF: 2 x 225mm (9in.)
Frequency range (-6dB) 26Hz - 140Hz
Maximum output 111dB
Amplifier 2 x 250W (500W)
built-in Class-D
Low pass filter Variable 40Hz - 140Hz, 4th-order
Low level signal inputs RCA phono sockets
Speaker level inputs
Internal volume 22 litres
Power requirements 100V - 120V / 220V - 240V

~ 50 / 60Hz
Power consumption 600VA
Weight 21.5kg (47.4lbs.)
Dimension (H x W x D)
(with terminal & plinth)
365 x 330 x 351 mm
(14.4 x 13 x 13.8 in.)

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

Videos


Medios y Premios
Review
"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!
Everything Audio Network R900 Review
Subwoofer highly commended over $2,000
 
Year: 2012
Magazine / Issuing Body: Sound+Image Awards 2013
Country: Australia 
Product: R400b
 
Home Theater Top Picks
 
Year: 2012
Magazine / Issuing Body: Home Theater
Country: USA
Product: R400b
 • Download full review
Descargas
R Series Brochure • Open In New Window
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R Series Manual • Open In New Window
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R400b Manual • Open In New Window
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