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
Reddit user transforms cheap Ikea Sonos speaker into a portable speaker
Sonos Play:1 Airplay Hack – hobbybuilders
Google Chromecast TV and Chromecast Audio Review
How I hacked my SONOS to make it play YouTube videos. : r/hacking
Ethics Whiplash As Sonos Tries Every Possible Wrong Way To Handle IoT Right | Hackaday