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KEF Q400b Subwoofer

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Q400b Subwoofer

Item # : KEF-Q400B

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Passive Products: 5 Year Warranty | Electronic Products: 1 Year Warranty

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Q400b Subwoofer

Reproducing most of the soundtrack narrative, the centre speaker is by far the most important in any home theatre surround sound system, and the Q200c and Q600c are engineered accordingly.

With a new generation 130mm (5.25in.) and 165mm (6.5in.) Uni-Q driver array respectively, flanked by a low distortion bass unit and an ABR of the same size, they combine raw power with the subtlety to convey moments of great delicacy.

What you notice is how convincingly the larger new metal dome tweeter captures the emotional range of the human voice – mood and character shine through with real clarity.

Your involvement in the action is noticeably enhanced by the addition of the Q800ds dipole to convey the left and right rear channels. With the two 130mm (5.25in.) Uni-Q arrays on each speaker playing out of phase, ambient 3-D effects are completely diffused throughout the listening area to create an uncanny illusion of actually being there, whether that’s deep in the rainforest, in a concert arena or driving along a gritty urban back street.

The final ingredient of your new Q system is of course the seductive Q400b subwoofer. A closed box design housing a 250mm (10in.) woofer driven by a 200W on-board Class-D amplifier, this discreet cube creates spectacular bass imagery – eloquent, musical and addictively physical. Anchoring the whole sound performance in an all-embracing sensation of immediacy, it completes the acoustic picture.

Product Details
Brand KEF
Condition Notes

Sales restrictions may apply. Please contact us for more information.

Warranty Passive Products: 5 Year Warranty | Electronic Products: 1 Year Warranty
Height (In) 13.19
Width (In) 12.99
Length/Depth (In) 12.99
Weight (Kg) 13.6
Height (mm) 335
Width (mm) 330
Length/Depth (mm) 330
Reproducing most of the soundtrack narrative, the centre speaker is by far the most important in any home theatre surround sound system, and the Q200c and Q600c are engineered accordingly.

With a new generation 130mm (5.25in.) and 165mm (6.5in.) Uni-Q driver array respectively, flanked by a low distortion bass unit and an ABR of the same size, they combine raw power with the subtlety to convey moments of great delicacy.

What you notice is how convincingly the larger new metal dome tweeter captures the emotional range of the human voice – mood and character shine through with real clarity.

Your involvement in the action is noticeably enhanced by the addition of the Q800ds dipole to convey the left and right rear channels. With the two 130mm (5.25in.) Uni-Q arrays on each speaker playing out of phase, ambient 3-D effects are completely diffused throughout the listening area to create an uncanny illusion of actually being there, whether that’s deep in the rainforest, in a concert arena or driving along a gritty urban back street.

The final ingredient of your new Q system is of course the seductive Q400b subwoofer. A closed box design housing a 250mm (10in.) woofer driven by a 200W on-board Class-D amplifier, this discreet cube creates spectacular bass imagery – eloquent, musical and addictively physical. Anchoring the whole sound performance in an all-embracing sensation of immediacy, it completes the acoustic picture.

Model Q400b
Design Closed-box subwoofer
Drive Units 1 x 250mm (10in.)
Frequency Response ±3dB 28Hz - 140Hz
Amplifier 200W built-in Class-D
Maximum output (SPL) 110dB
Low pass filter variable 40Hz - 140Hz, 4th-order
Low level signal inputs RCA phono sockets
Internal volume 23.2 litres
Power requirements 100 - 240V ac ~ 50/60Hz
Power consumption 200VA
Weight 13.6kg (29.9lbs)
Dimensions
(H x W x D)
335 x 330 x 330 mm (13.2 x 13.0 x 13.0 in.)

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