Just done some reading up of your system, looks pretty good, wish I'd known about this before, but even if I did, I can't find a dealer in the UK. so I'd have to import one, and that makes it too expensive for me.We’ll okay, did up three more locos last night!
One has a cheapo speaker tho soon to be replaced by a Scale Sound System one.
Cool thing with Railpro is you can run DPU anywhere in the train with zero messing with CV's, love it!