Compare B&W Formation Flex vs Microsoft Modern USB-C Speaker vs Lenovo Go Wired Speakerphone
Connectivity
Ports
RJ45 + USB (service only)
USB-C
USB-C, with USB-A adapter
Wireless Connectivity
Bluetooth 4.1 + WiFi
Construction
Buttons
Microsoft Teams button, Mute button, Volume up button, Volume down button, Hook Switch button
Cable
680 mm / 26.9"
75 cm, braided
Colors
Black
Matte Black
Thunder Black, Storm Grey
Drivers
50 mm full range driver
40 x 20.8 mm full-range racetrack driver
Drivers | Tweeter
1x 25mm (1 in) Decoupled double dome
Drivers | Woofer
1x 100mm (4 in) woven glass fibre cone
Form Factor
Wireless speaker
USB-C speaker for conference calls
Standalone speakerphone for conferencing
Loudspeaker Type
2-way
Material
Fabric + Silicone
Microphone
Two omni-directional microphones
2x Microphones
Dimensions
Size | Depth
130mm (5.1 in)
29 mm / 1.142"
Size | Diameter
90 mm / 3.5"
Size | Height
215mm (8.5 in)
48 mm / 1.9"
Size | Length
138 mm / 5.43"
Size | Width
130mm (5.1 in)
70 mm / 2.756"
Weight
2.3kg (5 lbs)
191 g / 0.426 lbs
265 g / 0.58 lbs
Function
Amplifier
Class D
Bluetooth Profiles
AptX HD, AAC, SBC
Microphone Pickup Pattern
Omni-directional
Performance
Frequency Response
50Hz - 28kHz ±3dB
200Hz ~ 20kHz for music playback, 300Hz ~ 10KHz for conference
140 Hz ~ 20 kHz
Impedance
4 ohms
Max Sound Level
Up to 83 dB SPL
Microphone Frequency Response
100 Hz ~ 10 kHz
Power Output
2x 50W
3 W
Sensitivity
100 dB
Production
Availability
2021-10
Debut
2019-04
2021-04
2021-06 (MWC 2021)
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