Compare Sennheiser HD 450BT vs Microsoft Surface Headphones 2+
Connectivity
Ports
USB-C
USB-C, 3.5mm
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Construction
Battery | Capacity
600 mAh
Cable
1.2 m Audio, 1.5 m USB
Colors
Black, White
Matte Black
Drivers
40 mm Free Edge driver
Form Factor
Wireless headphones, over-ear headphones
Over-ear, wireless headphones
Headphone Type
Dynamic headphones, Closed headphones
Microphone
MEMS
Dimensions
Size | Depth
1.89" / 48 mm
Size | Length
8.03" / 204 mm
Size | Width
7.68" / 195 mm
Weight
238 g
0.64 lbs / 290 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
SBC, aptX
Compatibility
Up to 2 simultaneous connections
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
Yes
Up to 30 dB for active noise cancellation, Up to 40 dB for passive noise cancellation
Sensor
Wear detection sensors on earcups, Touch sensors on earcups
Performance
Battery Life
30 hours music playback via Bluetooth with ANC activated
Up to 18.5 hours of music listening time or up to 15 hours of voice calling
Charging Time
2 h
Full charge in less than 2 hours
Frequency Response
18Hz to 22kHz (-10 dB)
20Hz-20KHz
Max Sound Level
108 dB (1 kHz/0 dBFS)
Up to 115 dB
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Production
Debut
2020 CES
2021-04
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Related Products
Microsoft Surface Headphones 2 Wireless Over-Ear Headphones w/ Active Noise Cancellation
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