I purchased this sound board it works great, I like to if there is a way to stop the engine noise only want horn and whistle. Here is a description of the broad.
Sunset Models Inc. RAILSOUNDS sound kit is the smallest, most full featured,
highest performance RailSounds upgrade available for your locomotives. This
innovative upgrade utilizes Lionel Railsounds technology, with a power controller that
supports Command and Conventional mode, including battery backup. The
RAILSOUNDS operates standalone, or in conjunction with the full product line of
Electric Railroad’s TMCC upgrades. The small size and interface flexibility is
unparalleled in the marketplace, so just about every locomotive can have a high
performance sound system