Horror Factory circulates online as a short soundboard clip rather than a clearly credited movie cue, and its exact origin is not documented in its listing. The name and headphones warning point to how listeners share it: as a loud, scary effect for instant atmosphere. It has found a home in meme edits, horror compilations and prank videos where creators need an industrial, haunted feeling without building a full soundscape. Its continued use comes from that immediacy, turning an ordinary setup into a threat in seconds.