Bowers & Wilkins PX5 vs Sennheiser IE 300 – Full Comparison & Verdict (2026)

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.

Air Traffic Control. Professionally inspired. Itâ€™s All About Connection. Detailed Sound Everywhere. Total Harmonic Distortion < 0.08 % ( 1 kHz, 94 dB ). Resonator chamber to remove masking resonances. German-made 7mm XWB transducer â€“ for natural balanced sound. Newly developed membrane foil for minimized natural resonances. Adjustable flexible ear hooks and a choice of ear adapters incl. memory foam. Para-aramid reinforced cables with gold-plated MMCX connectors and a 3.5 mm plug.

Key Differences

Impedance levels vary (20 ohm vs 16 ohm), which can affect compatibility and audio output when used with different devices. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Bowers & Wilkins PX5 and Sennheiser IE 300 offer different noise cancellation capabilities (Adaptive vs Ambient), which can impact how effectively they block external noise. Bowers & Wilkins PX5 and Sennheiser IE 300 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. The driver size differs between the two (35 mm vs 7mm), which can influence sound depth, bass response, and overall audio clarity. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. There is a noticeable difference in weight (241 gm vs 4 gm), which may affect comfort during extended use. The frequency response differs (10 Hz - 30000 kHz vs 6 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

Top Differences

Noise Cancelling: Adaptive vs Ambient
Driver Size: 35 mm vs 7mm
Weight: 241 gm vs 4 gm
Impedance: 20 ohm vs 16 ohm

Compare Bowers & Wilkins PX5 with:

Compare Sennheiser IE 300 with:

Key Differences

Top Differences