Amazon.com: BobWire DAT1 Adds a 12V Trigger! Compatible with SONOS Connect, Echo Link, ChromeCast Audio, TV, Anything with an Optical Audio Out. Auto Power On Amplifiers & Fans. NOT Compatible with AV
Chromecast functionality | Sonos Community
Un)wired for Sound: Using Sonos speakers as a whole-home, Apple-connected audio system | AppleInsider
Ethics Whiplash As Sonos Tries Every Possible Wrong Way To Handle IoT Right | Hackaday
Google Announces Chromecast 2 And Chromecast Audio, Here Are The Details | Redmond Pie
Poor man's sonos trick with chromecast audio - YouTube
Reddit user transforms cheap Ikea Sonos speaker into a portable speaker
My Review of the Sonos Experience as a Completely New User (with a Chromecast Whole Home Audio Ecosystem) : r/sonos
$10 adapter turns Chromecast into cheap Sonos competitor - Liliputing