I did a little research on the sound system used at the football games. Here's what I find out.
The university does not own the sound system. It is being "rented" from a company. A company, whose owners are obviously, proud of how powerful the system is.
The speakers are flown in the air in a line array system, with the subwoofers on the ground. It is similar to what is used at a concert. It is designed to provide maximum volume.
There is an audio person in the press box with his finger on the volume button. I do not know who that person is. However, I do know the person in charge of event management is associate athletic director John Dugas.
If you couldn't talk to the person next to you, and, as of today, you are experiencing ringing in your ears, I suggest you give John a call and tell him your concerns. His phone number is 482-1296. His email is johndugas@louisiana.edu. If he listens to your concerns, that is, if he can still hear after Saturday night, he may decide to lower the volume.