PI4
Noise cancelling wireless headphones
PX combines best-in-class sound with adaptive noise cancellation, 22-hour battery life and intelligent controls that respond naturally to your behavior, for a totally intuitive listening experience.
Lose the distractions. Feel the music.
PX
Noise cancelling wireless headphones
PX combines best-in-class sound with adaptive noise cancellation, 22-hour battery life and intelligent controls that respond naturally to your behavior, for a totally intuitive listening experience.
Lose the distractions. Feel the music.
"It’s a winning combination: the B&W PX are the finest wireless, noise-cancelling headphones on the market."
Trusted Reviews
"With generous battery life, deeply immersive and emotive sound, and a compact enough shape to be carried everywhere, I now consider them essential."
The Verge
Controlled by instinct
Controlling PX feels completely intuitive, thanks to built in sensors that respond to the way you naturally use a set of headphones.
Put it on and it turns on. Take it off and it returns to stand-by mode. Lift an ear cup to talk, or hang it round your neck, and PX pauses the music, resuming playback when you’re ready to listen. It’s as if PX is an extension of you, always perfectly anticipating your needs.
Fine tune your environment
With the PX app, it’s easy to switch between noise cancellation modes.
Tweak settings such as environment filters and voice pass-through.
Keep up to date with the latest firmware.
Technical Specifications
Model
PX
Description
Wireless headphone
Features
Adaptive noise cancelling
Bluetooth® audio - Bluetooth 4.1 with aptX™ HD
Natural UI (User Interface) - In-built sensors handle functions such as stopping audio playback when you remove the headphones
World-class acoustics
Premium materials and build quality
Rechargeable battery (up to 22 hours of battery life)
Mobile companion app for personalized audio playback
Circumaural design
4x mics for ANC (2x feedforward mics + 2x feedback mics)
2x mics for telephony (CVC2 - Clear voice communication 2)
Inputs
USB-C (Audio, battery charging & FW update)
3.5mm stern jack
Drive units
2x ø40mm full range
Frequency range
10Hz to 20kHz
Impedance
22 ohms (passive)
Distortion (THD)
<0.3% (1kHz/10mW)
Sensitivity
111dB/V at 1kHz
Net weight
335g
Battery
850mAh - Lithium Polymer
Battery life
Up to 22 hours BT/ANC
Up to 29 hours BT/no ANC
Up to 33 hours ANC/wired
Up to 50 hours wired/no ANC
Bluetooth profiles
A2DP v1.3
AVRCP v1.6
HFP v1.6
HSP v1.2
GAP
SDAP
DIP
Bluetooth codecs
aptX HD (High Definition) Standard Latency plus HD
SBC (Low Complexity Sub-band Coding)
AAC (Advanced Audio Coding)