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KEF R400B

KEF R400B

KEF R400B

$1,700.00

KEF R400b Subwoofer

At just 31 inches square, the KEF R400b may be compact, yet it packs an
incredible punch. With a reinforced and braced sealed cabinet, the
R400b houses twin 9-inch LF drivers powered by twin 250W class-D
amplifiers. The drivers are mounted back-to-back, to create ‘force
cancelling’. This means the opposing reactive forces are nullified,
resulting in no cabinet agitation and a clean, fast, powerful bass
performance – perfect for any serious home theatre system.
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
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.)

1 in stock

Description

KEF R400b Subwoofer

At just 31 inches square, the KEF R400b may be compact, yet it packs an
incredible punch. With a reinforced and braced sealed cabinet, the
R400b houses twin 9-inch LF drivers powered by twin 250W class-D
amplifiers. The drivers are mounted back-to-back, to create ‘force
cancelling’. This means the opposing reactive forces are nullified,
resulting in no cabinet agitation and a clean, fast, powerful bass
performance – perfect for any serious home theatre system.
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
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.)

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