Compare Sony WH-1000XM4 vs Bowers & Wilkins PX7 vs Microsoft Surface Headphones 2+
Connectivity
Ports
Gold-plated L-shaped stereo mini plug
3.5mm stereo jack + USB-C
USB-C, 3.5mm
Wireless Connectivity
Bluetooth 5.0, NFC
Bluetooth
Bluetooth 5.0
Construction
Cable
Single-sided (detachable)
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
1.2 m Audio, 1.5 m USB
Carrying Case
Yes
Colors
Space Grey, Silver, Carbon
Matte Black
Drivers
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
43.6mm full range
40 mm Free Edge driver
Form Factor
Wireless Headphones, Over-Ear
Over-ear, wireless headphones
Headphone Type
Dynamic headphones
Magnet
Neodymium
Microphone
4x mics for ANC + 2x mics for telephony
Dimensions
Size | Depth
1.89" / 48 mm
Size | Length
8.03" / 204 mm
Size | Width
7.68" / 195 mm
Weight
310 g
0.64 lbs / 290 g
Function
Bluetooth Codecs
SBC, AAC, LDAC
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
SBC, aptX
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Compatibility
Up to 2 simultaneous connections
Fast Charging
5hrs with 15min charge
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 h (NC on) / 38 h (NC off)
30 hrs Bluetooth with ANC
Up to 18.5 hours of music listening time or up to 15 hours of voice calling
Charging Time
Full charge in less than 2 hours
Frequency Response
Wired: 4 Hz-40,000 Hz | Bluetooth: 20 Hz–20,000 Hz (44.1 kHz Sampling)/20 Hz–40,000 Hz (LDAC 96 kHz Sampling, 990 kbps)
10Hz ~ 30kHz
20Hz-20KHz
Impedance
20k Ohms
Max Sound Level
Up to 115 dB
Sensitivity
105 dB / mW (1 kHz)
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Availability
2020 Summer
Debut
2020-08-06
2019-10
2021-04
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