Sennheiser Momentum 5 vs. Bowers & Wilkins Px7 S3: I tested both, and one wins nearly every metric
The Momentum 5 and the Px7 S3 have similar spec sheets, but their real-life use cases set them apart.
The premium noise-canceling headphone market is becoming increasingly crowded at the top. The Sony WH-1000XM6, Bose QuietComfort Ultra Headphones (Gen 2), and Apple AirPods Max 2 have dominated conversations, but two competitors from brands with deeper audio heritage are Sennheiser and Bowers & Wilkins. In this test, we compare the Sennheiser Momentum 5 headphones, Sennheiser's latest flagship, with the Bowers & Wilkins Px7 S3, an updated 2025 model. While both are excellent headphones, they cater to different preferences.
The Sennheiser Momentum 5 takes the clear lead in continuous battery life, offering up to 57 hours on a single charge with ANC enabled – nearly double the 30 hours of the Px7 S3. Faster fast charging, 10 minutes of charging equates to 7 hours of playback, while the Px7 S3 needs 15 minutes for the same result. A notable advantage is the user-replaceable battery, which is rare but convenient for long-term use, as it postpones battery degradation and allows users to replace it themselves when needed.
Additionally, the larger ear pads provide quieter passive isolation before the ANC engages, making it a better choice for long-haul flights.
Noise cancellation is stronger on the Momentum 5, effectively handling engine drone and chaotic environments. The transparency mode offers natural sound and adjustable percentage sliders for customization. The Smart Control app on the Momentum 5 provides granular control over various settings, including ANC strength, transparency levels, EQ, and sound modes. The touch controls are refined, offering smooth feedback and quick gestures for easy volume and mode toggling.
The Momentum 5's Hi-Res Audio Wireless certification with 42mm dynamic transducers and a frequency response up to 40kHz delivers balanced sound, with strong bass and dynamics that don't overpower vocals or midrange. It performs well with various genres, including pop, rock, classical, and spoken-word content. The neutral tuning, however, may read as clinical to some listeners, while the Bowers & Wilkins Px7 S3 offers a warmer, more organic character that some may find more appealing.
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