Compare Sony WH-1000XM4 vs Bowers & Wilkins PX7
Connectivity
Ports
Gold-plated L-shaped stereo mini plug
3.5mm stereo jack + USB-C
Wireless Connectivity
Bluetooth 5.0, NFC
Bluetooth
Construction
Cable
Single-sided (detachable)
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
Carrying Case
Yes
Colors
Space Grey, Silver, Carbon
Drivers
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
43.6mm full range
Form Factor
Wireless Headphones, Over-Ear
Headphone Type
Dynamic headphones
Magnet
Neodymium
Microphone
4x mics for ANC + 2x mics for telephony
Dimensions
Weight
310 g
Function
Bluetooth Codecs
SBC, AAC, LDAC
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
5hrs with 15min charge
Noise Cancellation
Yes
Performance
Battery Life
30 h (NC on) / 38 h (NC off)
30 hrs Bluetooth with ANC
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
Impedance
20k Ohms
Sensitivity
105 dB / mW (1 kHz)
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Availability
2020 Summer
Debut
2020-08-06
2019-10
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