Interesting, the work for me. Make sure you have them in an area with power as they won't work if unpowered just like educational speakers. They aren't very loud though, hence being ambiance, so if you want it to be more akin to the loud music you could play at rides in Planet Coaster then yea that's not the same thing.
P.S. -- Also remember this is for suggestions and not bugs. If you have a true bug you need to submit it in the issue tracker, just like the sticky at the top says to.