Tsunami2 Digital Sound Decoders have individual volume levels for every sound effect making it easy for you to adjust the volume of your locomotive to match the scale of your layout! Watch to see an example of out of scale sound versus scale sound. Sometimes you hear model railroaders complaining that locomotives are too loud or overpowering especially in consists. Well not with Tsunami2. You can dial back the volume of specific sound effects (like the prime mover) to match your preferences and