Before you go any further can you confirm exactly what you have, to connect to the panel, and where at the panel you are trying to connect them.
From what you have said I'm afraid I'm lost.
It sounds like you have a, INTERNAL SPEAKER, BELL, INTERNAL SIREN & EXTERNAL BELL.
If you have connected a speaker to a siren output and activated that output you have blown the speaker.
From what you have said I'm afraid I'm lost.
It sounds like you have a, INTERNAL SPEAKER, BELL, INTERNAL SIREN & EXTERNAL BELL.
If you have connected a speaker to a siren output and activated that output you have blown the speaker.