A comparison of various headphones from brands such as Apple, Sony, and Sennheiser was conducted over a 2,700-mile flight. The results of this comparison are unclear, as different outlets report on different matchups, including Sony versus Bowers & Wilkins, Sennheiser versus Bose, and Sony versus Sennheiser. One of the headphones was found to have the best audio, but the specific model is not consistently reported across outlets.