what? analog PA systems that cross giant buildings or even campuses have been a thing for a long time. The traditional design uses a 70v or higher bus and a tr

what? analog PA systems that cross giant buildings or even campuses have been a thing for a long time. The traditional design uses a 70v or higher bus and a transformer at each speaker. I would be really surprised if the PA speakers we anything but that-- electronics at each speaker is a repair/failure rate headache.