Compare KEF R11 vs KEF Q650c vs KEF R3
Construction
Colors
Gloss Black, Gloss White, Walnut
Satin Black, Satin White, Walnut
Black Gloss, White Gloss, Walnut
Drivers | Midrange
1x 125mm (5in.) aluminium cone
1x 165mm (6.50in.) aluminium Uni-Q
1x 125mm (5in.) aluminium cone
Drivers | Tweeter
1x 25mm (1in.) vented aluminium dome
1x 25mm (1in.)vented aluminium dome
1x 25mm (1in.) vented aluminium dome
Drivers | Woofer
4x 165mm (6.5in.) hybrid aluminium
1x 165mm (6.5in.) aluminium + 2x 165mm (6.5in.) aluminium ABR passive radiator
1x 165mm (6.5in.) hybrid aluminium
Form Factor
Floorstanding loudspeaker
Center channel loudspeaker
Bookshelf loudspeaker
Loudspeaker Type
3-way, bass reflex
2.5-way, passive radiator
3-way, bass reflex
Dimensions
Size | Depth
383.5 mm
304 mm (11.96 inches)
335.5 mm
Size | Height
1249 mm
210 mm (8.26 inches)
422.2 mm
Size | Width
200 mm
629 mm (24.76 inches)
199.6 mm
Weight
37.7 kg (83.1 lbs.)
13.6 kg (30 lbs)
13.5 kg (29.8 lbs.)
Function
Crossover
400Hz, 2.9kHz
2.5kHz
400Hz, 2.9kHz
Performance
Frequency Response
46Hz-28kHz (±3dB)
64Hz - 28kHz
52Hz-28kHz (±3dB)
Impedance
8 ohms (min 3.2 ohms)
8 ohms (min 4.2 ohms)
8 ohms (min 3.2 ohms)
Max Sound Level
113 dB
110 dB
110 dB
Power Input
15-300 W
15-150 W
15-180 W
Sensitivity
90 dB
87 dB
87 dB
Production
Debut
2018
2017
2018
Made In
China
China
China
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