...but I think the speaker installation is about as good as it gets for LES given the shape and acoustics of the stadium, neighborhood limitations, etc.

Here's an article from a few years ago on the LES sound system;

http://blog.svconline.com/briefingroom/2011/01/14/this-is-not-your-fathers-anemic-bowl-stadium-sound-danley-jericho-horns-and-subs-deliver-full-fidelity-to-brigham-young-university-football-fans/