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
12 Volt Trigger Overview and Setup - MSB Technology
add 12v trigger to Elekit TU-8500 | diyAudio
DC 12V Trigger Delay turn off / turn on Switch Timer Relay Module High Power 30A | eBay