Gaugemaster Scenic Sounds!
VIEW THE RANGE HERE
These brilliant units let you add controllable ambient noise to your layout. There are five different version in the range, Lineside, Station (Modern / Steam), Urban / Rural Scenics.
To view a special article on the range from Gaugemaster:
HAVE A READ HERE
Want to listen to the sounds in action? Check out Gaugemasters samples sound of the sounds here:
LISTEN HERE