That's odd that the pictures didn't work for you. They had lost the paperwork for the speakers, so I'm going to have to take one out to see what model it is.
There isn't anyone around here close that works with amps to take a look. I've attended church there a couple of times to listen to a service and the audio sounded almost like it was clipping, but not very loud. There was no music played through it because of the lack of ability.
Their requirements today for their sound system would be to record the service to digital media (right now they are recording with a phone left sitting on the podium), and play cds and bluetooth. From time to time they may have a guitar or two plug into the system. They have a piano, but it isn't mic'd.