3.5mm Mono Cable (6FT) - 12V Trigger, IR Infrared Sensor Receiver Extension Extender, 3.5mm 1/8" TS Monaural Mini Mono Audio Plug Jack Connector Male to Male Cable Wire Cord - Walmart.com
What connectors does a projector have? - Coolblue - anything for a smile
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
PowerLink MK3 Dual Cable for B&O BeoLab 2, 3,7, 10 to non B&O source 12V Trigger | eBay