Compare Sennheiser HD 350BT vs Bang & Olufsen Beoplay HX vs Panasonic M300B
Connectivity
Ports
USB-C
USB-C + 3.5mm
3.5mm, USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.1
Bluetooth 5.0
Wireless Range
10 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
1.2 m detechable
Carrying Case
Fabric carrying case included
Colors
Black, White
Black Anthracite, Grey Mist, Navy
Black, White
Drivers
40 mm Electro-dynamic driver
40 mm
Form Factor
Wireless headphones, over-ear headphones
Over-Ear Wireless Headphones
Over-ear wireless headphones
Headphone Type
Dynamic headphones, Closed headphones
Dynamic headphones, Closed headphones
Dynamic headphones
Magnet
Neodymium magnets
Neodymium
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)
Dimensions
Size | Depth
52 mm
Size | Height
200 mm
Size | Width
195 mm
Weight
238 g
285 g / 360 g with carrying case
296 g
Function
Audio
Dolby Atmos, Transparency mode
Base Reactor
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
SBC, AAC, aptX Adaptive
SBC, AAC
Bluetooth Profiles
HSP, HFP, AVRCP, A2DP
A2DP, AVRCP, HSP, HFP
Fast Charging
15 minutes for 3 hours
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
No
Active Noise Cancellation
No
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
50 h
Charging Time
2 h
3 hours
4 h
Frequency Response
18Hz to 22kHz (-10 dB)
20Hz ~ 22kHz
20Hz - 20kHz
Impedance
24 ohms in passive mode
34 ohms
Max Sound Level
108 dB (1 kHz/0 dBFS)
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Sensitivity
95 dB @ 1kHz/1mW
100 dB / mW
Production
Debut
2020 CES
2021
2020 CES
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