Use "speaker system" in a sentence

1. The train manager (manager?!) announces over the loudspeaker system that there is a problem with one of the doors and that we shall be on our way as soon as it is resolved

2. A little later there is an announcement over the school speaker system

3. convention over the loudspeaker system

4. Since we would be delayed on the ground for a while, the pilot mentioned over the speaker system that the bar was open with free drinks for everyone (hopefully not including himself or the crew)

5. What played over his room’s speaker system was a thing called “talk radio,” which had various political discussions in process where regular citizens could participate by calling and offering their opinions

6. Dutifully the still chattering throng broke off their conversations to mutely turn forward as if in rote response to the excited yelling of the worship leader echoing out of the sanctuary on the too loudly set speaker system

7. She was often chartered for special moonlight cruises, during which an elaborate loudspeaker system piped live music from the observation room throughout the ship

8. "First thing I'm going to shoot is that speaker system," he said