Ross Rubin (@rossrubin) contributes Switched On, a column about consumer technology.
Multi-room music has a long history as the province of the wealthy, the corporate, and those with the forethought to build or buy new construction with the structured wiring to support it. But over the past few years a number of companies have tried various wireless technologies to bring multi-room music closer to the masses. Some companies have used proprietary wireless systems while others have used WiFi, and yet others have tried bo
