Soundtraxx

Shop SoundTraxx DCC & digital sound decoders in stock at TrainSupply. Whether you're enhancing your locomotive sound, upgrading motor or lighting control, or adding audio accessories, SoundTraxx delivers performance and flexibility for model railroaders.

TrainSupply offers a wide selection of SoundTraxx products for multiple scales and applications, all backed by fast shipping and seasoned support to help you choose the right components for your layout.

SoundTraxx Sound Decoder Families

Explore our main decoder groups:

• Tsunami2 Digital Sound Decoders – Premium onboard audio and effects.
• Blunami Digital Sound Decoders – Wireless setup and flexible install options.
• Econami Digital Sound Decoders – Compact performance sound boards.

Control-Only Decoders

For motor and lighting installs without onboard sound:

• SoundTraxx DCC Mobile Decoders – Smooth motor and lighting control.

Speakers & Audio Components

Select the right audio components to match your decoder:

• SoundTraxx Speakers
• Round Speakers
• Oval Speakers
• Speaker Baffles & Gaskets

Installation & Wiring Essentials

Complete your install with wiring and hardware:

• SoundTraxx Installation Products
• Wiring Aids
• Decoder Wire

Power & Layout Enhancers

Improve track pickup and layout performance:

• SoundTraxx CurrentKeeper Modules
• SoundTraxx SurroundTraxx Systems
• DSP-80 Multi-Train Sound System

TrainSupply is your destination for in-stock SoundTraxx decoders and accessories with competitive pricing, fast processing, and expert support. Browse the collections above to find the right solution for your locomotive and layout.