Compare Sennheiser HD 350BT vs Sennheiser HD 450BT vs Microsoft Surface Headphones 2
Connectivity
Ports
USB-C
USB-C
USB-C, 3.5mm audio jack
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Construction
Battery | Capacity
320 mAh
600 mAh
Buttons
4, Power button, Mute button, Volume dial (right ear), Noise Cancellation dial (left ear)
Cable
1.2 m Audio cable, 1.5 m USB cable
Colors
Black, White
Black, White
Light Gray, Matte Black
Drivers
40mm Free Edge speaker
Form Factor
Wireless headphones, over-ear headphones
Wireless headphones, over-ear headphones
Headphone Type
Dynamic headphones, Closed headphones
Dynamic headphones, Closed headphones
Microphone
MEMS
MEMS
Dimensions
Size | Depth
48 mm
Size | Height
204 mm
Size | Width
195 mm
Weight
238 g
238 g
290.3 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
SBC, AAC, AptX, AptX Low Latency
SBC and aptX
Bluetooth Profiles
HSP, HFP, AVRCP, A2DP
Microphone Pickup Pattern
Dual Beamforming
Dual Beamforming
Noise Cancellation
No
Yes
Up to 30 dB for active noise cancellation, Up to 40 dB for passive noise cancellation
Operating System
Windows 10, iOS, Android, MacOS
Performance
Battery Life
30 hours music playback via Bluetooth
30 hours music playback via Bluetooth with ANC activated
Up to 20 h (Bluetooth, ANC on)
Charging Time
2 h
2 h
Frequency Response
18Hz to 22kHz (-10 dB)
18Hz to 22kHz (-10 dB)
20 Hz – 20 kHz
Max Sound Level
108 dB (1 kHz/0 dBFS)
108 dB (1 kHz/0 dBFS)
Up to 115 dB
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
80 Hz to 6000 Hz (-3 dB)
Production
Debut
2020 CES
2020 CES
2020-05
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