Sonos One review: The best-sounding smart speaker you can buy
 

When Sonos released the Play:5 speaker in late 2015, the Amazon Echo was still an unproven tech curiosity. But since then, Alexa and the Echo have grown rapidly in both popularity and functionality, inspiring competition from the likes of Google and...

https://www.engadget.com/2017/10/18/sonos-one-review/