The Sonos Ace are notable for a few reasons, but there's one feature that stands out amongst the rest. Sonos' ability to switch audio seamlessly from a compatible soundbar to the headphones is interesting not in its function, but in how it works. Rather than a simple Bluetooth connection between the headphones and, for example, an Arc Ultra soundbar, it uses a form of Wi-Fi to get a better sound and greater bandwidth for spatial audio.

Wi-Fi has greater potential in the headphones space than audio swap, of course. Imagine better battery life, improved sound quality, and better gaming performance, to name but a few examples. But why haven't we seen it take off in the headphones space after Sonos proved you could fit a Wi-Fi antenna in your cans?

As you might expect, the answer is fairly c

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