Compare KEF Q550 vs KEF Blade Two vs Bowers & Wilkins 603 S2
Construction
Colors
Satin Black, Satin White, Walnut
Black, White, Oak body + Black, Grey grille
Drivers | Midrange
1x 130mm (5.25in.) aluminum Uni-Q
1x 125mm Li-Mg-Al/LCP hybrid cone
1x 150mm (6 in) Continuum cone FST
Drivers | Tweeter
1x 25mm (1in.)vented aluminium dome
1x 25mm vented aluminium dome
1x 25mm (1 in) Decoupled Double Dome aluminum tweeter
Drivers | Woofer
1x 130mm (5.25in.) aluminum + 2x 130mm (5.25in.) aluminum ABR passive radiator
4x 165mm with force cancelling
2x 165mm (6.5 in) Paper cone
Form Factor
Floorstanding loudspeaker
Floorstanding loudspeaker
Loudspeaker Type
2.5-way, passive radiator
Floorstanding, 3-way bass reflex
3-way bass-reflex
Dimensions
Size | Depth
278 mm (10.94 inches)
475 mm
340mm (13.4 in) cabinet only / 370mm (14.6 in) with plinth
Size | Height
873 mm (34.37 inches)
1461 mm
985mm (38.8 in) cabinet only / 1055mm (41.5 in) with plinth
Size | Width
180 mm (7.08 inches)
338 mm
190mm (7.5 in) cabinet only / 320mm (12.6 in) with plinth
Weight
14.5 kg (32 lbs)
35.3 kg (77.8 lbs)
24.1 kg / 53.1 lbs
Function
Crossover
2.5kHz
320Hz, 2.4kHz
Performance
Frequency Response
58Hz-28kHz
40Hz - 35kHz (±3dB)
48Hz - 28kHz ±3dB
Impedance
8 ohms (min 3.8 ohms)
4 Ohms
8Ω (minimum 3.0Ω)
Max Sound Level
110 dB
116 dB
Power Input
15-130 W
50-400 W
30W - 200W into 8Ω
Sensitivity
87 dB
90dB (2.83V/1m)
88.5dB spl (2.83V, 1m)
Total Harmonic Distortion
1% 90Hz - 22kHz / 0.5% 120Hz - 20kH
Production
Debut
2017
2014
2020-09
Made In
China
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