Bowers & Wilkins PI4 vs Bowers & Wilkins PX5 – Which One Should You Buy? (2026)

A measured feel. Fits like no other. Donâ€™t miss a thing. Adaptive Noise Cancelling. World-first fully active 2-way wireless earbuds. This is Bowers & Wilkins Dual Driver technology. No matter what youâ€™re listening to, or watching, or playing, hear what you were meant to hear. If you stay out longer than expected and need a little more from your PI4 a 15 minute quick charge will carry your adventure for another two hours. Soft silicone and rubber together make the PI4 feel specifically designed for how and where you listen. 12-hour battery life allows you to go from night to day without missing a beat. If thatâ€™s not enough, a 15-minute quick charge gets three hours of immediate playback. Customised 14mm drivers pack full sound in a small space. Designed by the same team behind our 800 Diamond Series speakers used in Abbey Road Studios, the drivers ensure you stay immersed in music wherever you go.

These sleek, on-ear headphones keep out the world so you can live fully in yours. Experience world-class sound with the latest adaptive noise cancellation technology. The PX5 is light and compact while delivering sound quality built on Bowers & Wilkinsâ€™ exacting standards. One battery charge for just over a full day of music. If you need more power, a 15-minute quick charge provides five hours of audio playback. The PX5 obeys your every move. Lift an earcup to hear whatâ€™s happening around you and the music automatically stops. Put it back and the music plays on. From the bustle of the city to the drone of an aeroplane, adaptive noise cancellation automatically shields you from the outside world so you can hear more of the music that matters. The woven carbon fibre composite arms of PX5 share design principles with the world's most advanced sports cars. Light, stiff and ultra-durable, take True Sound anywhere with these compact noise-cancelling headphones.

Key Differences

Impedance levels vary (20 ohm vs 32 ohm), which can affect compatibility and audio output when used with different devices. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. The driver size differs between the two (35 mm vs 14.2 mm), which can influence sound depth, bass response, and overall audio clarity. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. If you're comparing Bowers & Wilkins PX5 and Bowers & Wilkins PI4, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Battery life varies between the two (25 Hours vs 12 Hours), which affects how long you can use them on a single charge. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. There is a noticeable difference in weight (241 gm vs 40 gm), which may affect comfort during extended use.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Battery Life: 25 Hours vs 12 Hours
Driver Size: 35 mm vs 14.2 mm
Weight: 241 gm vs 40 gm
Impedance: 20 ohm vs 32 ohm

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Key Differences

Top Differences