Bowers & Wilkins upgraded our pick for the best sounding wireless headphones

Bowers & Wilkins’ new PX7 S3 are slimmer than the S2e, and include a smaller carrying case. | Image: Bowers & Wilkins

We called Bowers & Wilkins’ PX7 S2e the “best-sounding wireless headphones” in our  noise-canceling headphones buyer’s guide, but the company’s latest could be a new contender for that title.

Bowers & Wilkins says its PX7 S3 headphones have a “re-imagined industrial design” that’s more comfortable with a new button layout that’s more intuitive. The headphones...