Sonos PLAY:3 Four Room Bundle comprising four PLAY:3 Wireless Hifi Systems in White & two BR100 BRIDGE Wireless Music Controllers Sonos PLAY:3 Wireless Hifi System in White is a stylish compact all-in-one player that lets you stream your entire music library music services & radio stations. Sonos PLAY:3 is easy to set up & can me placed anywhere horizontal or vertical. Also known as Play 3 Play-3 Three Class-D digital amplifiers Three driver speaker system Stereo pair setting Internet radio supported: Streaming MP3 WMASonos BRIDGE Wireless Music Controller allows setting up your Sonos system to be super fast & easy & is the perfect solution if your house doesn’t have Ethernet wiring or your router is in a room where you don’t want music. Just connect Sonos BR100 BRIDGE to your broadband router to instantly activate the Sonos Net wireless mesh network & all Zone Players & Controllers will work wirelessly anywhere in your house. Sonos BRIDGE can also be used to extend the range of your Sonos system & expand the Controller’s wireless coverage. Also known as BR100 BRIDGE ZONEBRIDGE ZONE BRIDGE. Instant wireless setup Extend the range of the Sonos system Expand the wireless reach of the Controller Wireless connectivity