Compare KEF R11 vs Bang & Olufsen Beolab 28
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
Gloss Black, Gloss White, Walnut
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
Drivers | Midrange
1x 125mm (5in.) aluminium cone
3x 3" full-range
Drivers | Tweeter
1x 25mm (1in.) vented aluminium dome
1x 1" tweeter
Drivers | Woofer
4x 165mm (6.5in.) hybrid aluminium
1x 6.5" woofers
Form Factor
Floorstanding loudspeaker
All-in-one wireless speaker, powered speaker
Loudspeaker Type
3-way, bass reflex
3-way bass reflex
Material
Aluminum + Wood + Plastic + Fabric
Microphone
Yes
Dimensions
Size | Depth
383.5 mm
Size | Diameter
121 mm
Size | Height
1249 mm
Size | Width
200 mm
Weight
37.7 kg (83.1 lbs.)
18.6 kg
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
400Hz, 2.9kHz
Service
AirPlay 2, Chromecast built-in, Spotify Connect, Bang & Olufsen Radio
Performance
Frequency Response
46Hz-28kHz (±3dB)
27 Hz ~ 23 kHz
Impedance
8 ohms (min 3.2 ohms)
Max Sound Level
113 dB
110 dB SPL
Power Consumption
30 W
Power Input
15-300 W
Power Output
625 W (100W tweeter + 300W full-range + 255W woofer)
Sensitivity
90 dB
Production
Debut
2018
2021
Made In
China
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