For what it's worth, I have added the LGB electric sound module to two of my LGB Electric locos controlled with Railpro.
You don't get to ring the bell or toot a horn , (unless you use a track magnet and the LGB track pickup module that plugs into the sound module)
But you do have good rev up and running sounds.
You will have to adjust the speed setups, etc, with your controller to match.