Welcome to DXI

We do high-quality sound decoder installations for one flat rate. What's included? A WOWSound decoder, Keep Alive® device, speaker, speaker enclosure, labor, custom programming, locomotive tune-up, and return shipping are all included! This is the best installation deal on the market - scroll down to learn more!

High Quality Installs

To ensure a high quality install, we only use the best sound decoders. That’s why we exclusively install WOWSound products from Train Control Systems.

One Flat Rate

We make it easy for you. You send us your engine and for one flat price you will have a WOWSound Decoder, Motherboard, Keep Alive®, all the original lights, speaker and enclosure all installed into your locomotive.

Free Return Shipping

You ship the locomotive to us, and we provide free return shipping to get your locomotive delivered straight to your door!

See Our Work

Take a quick peek under the hood at past DXI installations. We take great care in performing well-designed, tidy installations that will stand the test of time.

But don’t just take our word for it – Click Here to hear from our customers about what keeps them coming back.