http://www.techradar.com/news/sonos-one-announced-the-long-promised-alexa-smart-speaker-is-finally-official

After months of waiting, Sonos's long promised Alexa-powered smart speaker has finally been announced. 

Called the Sonos One, the smart speaker integrates with Amazon's Alexa voice assistant via a dedicated Sonos Alexa skill. Interestingly, the company also announced that the speaker is also set to receive Google Assistant support later, in 2018.