Compare Sennheiser HD 450BT vs Bose QuietComfort 45
Connectivity
Ports
USB-C
USB-C, 2.5mm
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.1
Wireless Range
30 ft / 9 m
Construction
Battery | Capacity
600 mAh
Cable
12" USB-C cable + 3.5mm to 2.5mm audio cable
Colors
Black, White
Black, White Smoke
Form Factor
Wireless headphones, over-ear headphones
Headphone Type
Dynamic headphones, Closed headphones
Microphone
MEMS
Microphone array
Dimensions
Size | Depth
3.15"
Size | Height
7.68"
Size | Width
6.18"
Weight
238 g
15.7 oz
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
Fast Charging
15 minutes for 2.5 hours
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
Yes
Performance
Battery Life
30 hours music playback via Bluetooth with ANC activated
24 h
Charging Time
2 h
Frequency Response
18Hz to 22kHz (-10 dB)
Max Sound Level
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Production
Availability
2021-09-23
Debut
2020 CES
2021-08-31
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