Welcome to DXI

High quality sound decoder installations for one flat rate.
About DXI

Lower Price on Non-Sound Installtions

We’re now offering a lower price on non-sound installations. Now, you can get a TCS non-sound decoder installed in your HO Scale locomotive for only $75.

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 of $165.00 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!

About DXI

Our Work

Take a quick peek under the hood at past DXI installations.