The Sonos One SL is a microphone-free version of its most accessible speaker
 

It's been about two years since Sonos released the One, its first speaker with built-in microphones for Alexa and, much later, Google Assistant support. The One was essentially an upgraded version of the Play:1, which didn't have mics. Sonos kept sel...

https://www.engadget.com/2019/09/05/sonos-one-SL-port/