Compare Bang & Olufsen Beoplay HX vs Bowers & Wilkins PI4 vs Bowers & Wilkins PX7
Connectivity
Ports
USB-C + 3.5mm
USB-C
3.5mm stereo jack + USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth, USB-C
Bluetooth
Construction
Battery | Capacity
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
20cm USB-A to USB-C cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
Carrying Case
Fabric carrying case included
Yes
Colors
Black Anthracite, Grey Mist, Navy
Black, Gold, Silver
Space Grey, Silver, Carbon
Drivers
40 mm Electro-dynamic driver
14.2mm full range
43.6mm full range
Form Factor
Over-Ear Wireless Headphones
In-Ear, Neckband Wireless Headphones, Earbuds
Wireless Headphones, Over-Ear
Headphone Type
Dynamic headphones, Closed headphones
Dynamic headphones
Dynamic headphones
Magnet
Neodymium magnets
Material
Aluminum, Leather, Fabric, Polymer, Rubber
Microphone
4 x MEMS for voice Mic (2 mics sharing with ANC) + 4 x Dedicated MEMS mic for ANC function (2 mics in each earcup)
2x mics for ANC + 2x mics for telephony
4x mics for ANC + 2x mics for telephony
Dimensions
Size | Depth
52 mm
Size | Height
200 mm
Size | Width
195 mm
Weight
285 g / 360 g with carrying case
40 g
310 g
Function
Audio
Dolby Atmos, Transparency mode
Bluetooth Codecs
SBC, AAC, aptX Adaptive
AptX-Adaptive, aptX-HD, aptX-Classic, AAC, SBC
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
3hrs with 15min charge
5hrs with 15min charge
Noise Cancellation
Active Noise Cancellation
Yes
Yes
Performance
Battery Life
Up to 35 hours with active Bluetooth and Active Noise Cancellation / Up to 40 hours with Bluetooth
10hrs Bluetooth with ANC (12hrs w/o)
30 hrs Bluetooth with ANC
Charging Time
3 hours
Frequency Response
20Hz ~ 22kHz
10Hz ~ 30kHz
10Hz ~ 30kHz
Impedance
24 ohms in passive mode
20k Ohms
Sensitivity
95 dB @ 1kHz/1mW
Total Harmonic Distortion
0.3% (1kHz/10mW)
0.3% (1kHz/10mW)
Production
Accessory
Ear Tips: S / M / L
Debut
2021
2019-10
2019-10
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