Compare Bowers & Wilkins Formation Duo vs Bang & Olufsen Beoplay A9 vs Sonos One
Connectivity
Ports
RJ45 + USB (service only)
1x Aux / Optical-combo + 1x RJ45 (100Mbps)
1x 100Mbps LAN
Wireless Connectivity
Bluetooth 4.1 + WiFi
Bluetooth 4.2 + WiFi 5
WiFi 4
Construction
Colors
Black, White
Base: Black, White (plastic) / Cover: Black, White, Red, Light Grey, Dark Grey, Dark Rose, Dusty Blue, Warm Taupe (fabric) / Legs: Maple, Oak, Smoked Oak, Walnut (wood) / Ring: Bronze, Brass, Black, Natural (aluminum)
White with white matte grille or Black with black matte grille.
Drivers | Midrange
2x 3" mid-range + 2x 1.5" full-range
Drivers | Tweeter
1x 25mm (1 in) Carbon dome
2x 0.75" tweeters
1x tweeter
Drivers | Woofer
1x 165mm (6.5 in) Continuum cone
1x 8" woofer
1x woofer
Form Factor
Wireless bookshelf speaker
All-in-one wireless speaker, powered speaker
Wireless smart speaker
Loudspeaker Type
2-way
3-way bass reflex
Material
Wood, Fabric, Aluminum, and Plastic
Microphone
Far-field microphone array
Dimensions
Size | Depth
305mm (12 in)
411 mm
119.7 mm / 4.69 inch
Size | Height
395mm (15.6 in)
908 mm
161.45 mm / 6.36 inch
Size | Width
197mm (7.8 in)
701 mm
119.7 mm / 4.69 inch
Weight
10.6kg (23.4 lbs)
14.7 kg
1.85 kg / 4.08 lbs
Function
Amplifier
Class D
Class D, 2x 150W for tweeters + 2x 200W for midrange + 2x 200W for full-range + 1x 400W for woofer
2x Class-D digital amplifiers
Audio
Active Room Compensation, Adaptive Bass Linearization, Thermal Protection
Bluetooth Profiles
AptX HD, AAC, SBC
Misc
Possible to pair two Beoplay A9s for stereo
Service
AirPlay 2, Chromecast built-in, Beolink Multiroom, DLNA -DMR
Voice Assistance
Google Assistant
Amazon Alexa, Google Assitant
Performance
Frequency Response
25Hz - 33kHz ±3dB
33 Hz ~ 23 kHz
Max Sound Level
100 dB SPL
Power Consumption
23 W
Power Output
2x 125W
1500 W (300W tweeter + 400W midrange + 400W full-range + 400W woofer)
Production
Debut
2019-04
2019
2019-03
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