This HO scale sound system comes with a speaker and caps, along with a wiring diagram for easy installation. Enhance your model railroad experience with this great addition to your collection. The item is compatible with a decoder, but please note that the decoder is not included.

This product is perfect for model railroaders who are looking to add sound to their trains. Whether you're a beginner or experienced hobbyist, this sound system will take your model railroad to the next level. Don't miss out on this opportunity to add something special to your collection!