multiroom stereo systems

How can I set up a multiroom speaker system?

Sonos One

Episode 1503

Mike from Huntington Beach, CA

Mike would like to be able to control multiple speakers in an open house with his iPhone. Is that doable? Leo says that the key is keeping all the speakers in sync. Sonos was the first to do it right with multi-room sound. All speakers are completely wireless and can be put into party mode, where all are playing the same music in sync. Sonos isn't cheap though.