Compare Sennheiser HD 350BT vs Bang & Olufsen Beoplay HX vs Bose QuietComfort 45
Connectivity
Ports
USB-C
USB-C + 3.5mm
USB-C, 2.5mm
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.1
Bluetooth 5.1
Wireless Range
30 ft / 9 m
Construction
Battery | Capacity
320 mAh
1200 mAh
Cable
1.25 m audio cable with 3.5mm mini-jack for corded Connectivity + 1.25 m USB-A to USB-C cable for Charging
12" USB-C cable + 3.5mm to 2.5mm audio cable
Carrying Case
Fabric carrying case included
Colors
Black, White
Black Anthracite, Grey Mist, Navy
Black, White Smoke
Drivers
40 mm Electro-dynamic driver
Form Factor
Wireless headphones, over-ear headphones
Over-Ear Wireless Headphones
Headphone Type
Dynamic headphones, Closed headphones
Dynamic headphones, Closed headphones
Magnet
Neodymium magnets
Material
Aluminum, Leather, Fabric, Polymer, Rubber
Microphone
MEMS
4 x MEMS for voice Mic (2 mics sharing with ANC) + 4 x Dedicated MEMS mic for ANC function (2 mics in each earcup)
Microphone array
Dimensions
Size | Depth
52 mm
3.15"
Size | Height
200 mm
7.68"
Size | Width
195 mm
6.18"
Weight
238 g
285 g / 360 g with carrying case
15.7 oz
Function
Audio
Dolby Atmos, Transparency mode
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
SBC, AAC, aptX Adaptive
Bluetooth Profiles
HSP, HFP, AVRCP, A2DP
Fast Charging
15 minutes for 2.5 hours
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
No
Active Noise Cancellation
Performance
Battery Life
30 hours music playback via Bluetooth
Up to 35 hours with active Bluetooth and Active Noise Cancellation / Up to 40 hours with Bluetooth
24 h
Charging Time
2 h
3 hours
Frequency Response
18Hz to 22kHz (-10 dB)
20Hz ~ 22kHz
Impedance
24 ohms in passive mode
Max Sound Level
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Sensitivity
95 dB @ 1kHz/1mW
Production
Availability
2021-09-23
Debut
2020 CES
2021
2021-08-31
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