Here's a video from Garland. They run a couple minutes of Wail for first Wednesday tests. They elected to get VisuAlert add-on for this system, which I think is a huge waste of money, but neat to look at. This unit is at Firewheel Center on the South side of PGBT. They have also installed a 29XX on a building in the main shopping center off the central plaza/fountain. I'd like to record that but I think I read somewhere that they don't activate that siren audibly for tests. It was hard to tell if it was going off from where I was at, but sounded like it might have been.
https://www.youtube.com/watch?v=N6yw4EP6u6U