Apple HomePod - The new home entertainment system by Apple
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Sonos In-Wall Speaker - A speaker made by Sonos and Sonance that sits in your wall
HomePod mini - A smart speaker with Siri built in
Sonos One - A self-contained, Alexa-connected speaker from Sonos
Tmall Genie - Alibaba's Echo-like smart speaker competitor