Compare Bang & Olufsen Beolab 28 vs KEF Q50a vs KEF Blade Two
Variants
Wall-Mount
Floorstanding
Connectivity
Ports
1x Aux / Optical-combo + 2x RJ45 (100Mbps) + 1x USB-C + 1x Powerlink (RJ45)
Wireless Connectivity
Bluetooth 5.0 + WiFi 5
Construction
Colors
Base: Silver, Black Anthracite, or Bronze aluminum / External Cover: Light Oak, Smoked Oak, or Walnut wood / Grey Fabric or Grey Melange fabric / Internal Cover: Grey or Grey Melange fabric
Satin Black, Satin White, Walnut
Drivers | Midrange
3x 3" full-range
1x 125mm Li-Mg-Al/LCP hybrid cone
Drivers | Tweeter
1x 1" tweeter
1x 25mm (1in.) vented aluminium dome
1x 25mm vented aluminium dome
Drivers | Woofer
1x 6.5" woofers
1x 130mm (5.25in.) aluminium Uni-Q
4x 165mm with force cancelling
Form Factor
All-in-one wireless speaker, powered speaker
Dolby Atmos / surround loudspeaker
Loudspeaker Type
3-way bass reflex
2-way, closed
Floorstanding, 3-way bass reflex
Material
Aluminum + Wood + Plastic + Fabric
Microphone
Yes
Dimensions
Size | Depth
259 mm
475 mm
Size | Diameter
121 mm
Size | Height
174 mm
1461 mm
Size | Width
180 mm
338 mm
Weight
18.6 kg
4.25 kg (9.4 lbs)
35.3 kg (77.8 lbs)
Function
Amplifier
Class D, 1x 100W for tweeter + 3x 100W for full-range + 1x 225W for woofer
Audio
Active Room Compensation, Adaptive Bass Linearization, Beam Width Control, Thermal Protection
Crossover
2.5kHz
320Hz, 2.4kHz
Service
AirPlay 2, Chromecast built-in, Spotify Connect, Bang & Olufsen Radio
Performance
Frequency Response
27 Hz ~ 23 kHz
105Hz - 18.5kHz
40Hz - 35kHz (±3dB)
Impedance
8 ohms (min 4.6 ohms)
4 Ohms
Max Sound Level
110 dB SPL
106 dB
116 dB
Power Consumption
30 W
Power Input
10-100 W
50-400 W
Power Output
625 W (100W tweeter + 300W full-range + 255W woofer)
Sensitivity
86 dB
90dB (2.83V/1m)
Production
Debut
2021
2017
2014
Made In
China
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