Hey OP,
You may want to bring your question over to DIYaudio where you'll find lots of advanced experimenters there, but since this is a car part, it's safe to say it does not require a horn.
Best,
E
You may want to bring your question over to DIYaudio where you'll find lots of advanced experimenters there, but since this is a car part, it's safe to say it does not require a horn.
Best,
E