Second, you could “trade in” that Play:5, get 30 percent off of a newer Sonos product, and then do whatever you want with the old speaker-discard it, hand it off to a friend, or store it in your personal speaker museum. First, you can remove the Play:5 from your Sonos setup, upgrade the Sonos One speaker to the S2 OS and new Sonos app, and get all of the latest features on your speaker. So if you have a new version of the Sonos One speaker (2019), but you also happen to have an original Sonos Play: 5 (2009), you have a few options, none of which are ideal. It’s when you mix old and new products that things get confusing. You can still cluster legacy speakers together for multiroom audio. Thankfully, only a handful of Sonos speakers are considered “legacy.” You can see a full list of S2 compatible products on the company’s website Speakers with an asterisk are only compatible with the S2 platform.Sonos has tried to stress that the older products are still going to be supported, but it has made the distinction that they’re not going to get new software updates and therefore won’t get most new features, with the exception of bug fixes and security patches. Sonos originally planned to ditch its “legacy” speakers but decided to split its app in two instead, thanks to public backlash. This ain’t the most pleasant turn of events, but it’s better than nothing. The original Sonos app, now called Sonos S1, will continue to receive security updates and bug fixes, but won’t work with Sonos speakers released in 2020 (or any year after 2020, for that matter). In other words, Sonos owners with a mix of old and new speakers may find themselves using two Sonos apps.

But it doesn’t work with some “legacy” speakers, and it’s the only controller that works with Sonos’ new Arc, Five, and Sub speakers. The new app supports high-res audio technologies like Dolby Atmos and offers improved security and controls. Sonos is splitting its service in two with the new Sonos S2 app platform.

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