If you own a Sonos system, you're going to start hearing a new name—Sonos 27. Sonos 27 is the name Sonos has given to the operating system that has been working behind the scenes for years, connecting your speakers, rooms, services, and controls into one system. This fall, Sonos is adding several exciting new features that will make your system even smarter and more flexible. One of the most interesting additions is Portable Surrounds. With Sonos 27, a matching pair of Sonos
