Sonos Sonos announces entry-level $279 Ray soundbar, which will be available on June 7th 3 years ago Sonos officially introduced its Sonos Ray soundbar this afternoon. When it goes on sale on June 7th, the company's new… Sonos announces plans to improve the efficiency and repairability of its products 3 years ago Sonos today announced measures to improve the longevity and efficiency of its speakers and other products. It's part of the…