Installing a sound decoder doesn’t have to be complicated. Whether you’re choosing your first sound system or dialing in a custom install, SoundTraxx has the tools and guidance to help you get it right the first time.
This Installation Help page is your starting point for decoder selection, sound system planning, and step-by-step installation resources. Use the links below to find exactly what you need for your model, scale, and skill level.
Quickly identify the correct SoundTraxx decoder for your locomotive based on scale, engine type, and required features.
Learn which type of SoundTraxx sound system best fits your hobby, from onboard decoders to under the layout options.
Easily find which prime movers, chuffs, airhorns, whistles, bells, and more are available on each SoundTraxx decoder.
Step-by-step installation guides covering wiring, speaker placement, and best practices for better installs.