Wiring siren to ADT Command system

I want to wire a siren (like a Honeywell 747) to my home’s security system with my parents. How can I do that?

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Read the panel’s manual, it should tell you where to find the panel’s “bell” terminals (which is where the siren is connected). Be careful though.

Actually, it’s an ADT Command ADT7AIO, which mostly uses wireless devices. I hope that works with your instructions.
The system doesn’t already have a siren, though.

Also, I just read the entire manual and it didn’t show anything that would help with this.

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Oh. I’m sorry to say, but I have no experience with wireless devices, so I don’t think I can help you. Sorry.

The only Experience I have with wireless devices is with the Honeywell series RF. I would recommend contacting the alarm company that installed the system or ADT.