A guide to Sonos, the wireless speaker system that lets you control music in every room of your house at once

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· *Sonos is a multi-room music system that lets you control what music plays in each room of the house.*
· *Sonos lets you play music from your computer, phone, or virtually any online service through any Sonos speakers in your network.*
· *Offering a broad line of speakers and components, Sonos models include small...