We are excited to announce two new Tsunami2 Digital Sound Decoders: the Tsunami2 Steam-2 and the EMD 'dash 2' (EMD-2). These decoders bring some awesome new sounds to the Tsunami2 library!

Tsunami2 Steam-2

Tsunami2 EMD-2

And the list keeps growing! Our Tsunami2 Steam-2 Digital Sound Decoder provides 90 beautiful whistles to choose from (an additional 28 whistles over and above the original Steam model!). Add this to the already extensive list of bells, exhaust chuffs, air compressors and more, you now have an astounding 2.2 Billion sound combinations in one decoder! The Tsunami2 Steam-2 is available in four board formats to suit a variety of models.

You asked for it and we listened! Our new EMD-2 Tsunami2 Digital Sound Decoder provides an additional 8 new EMD prime mover selections. Available in all Tsunami2 board formats, this new decoder offers high quality on-board sounds, precision motor control and brilliant lighting effects. This decoder gives you a jaw-dropping 42.4 Million sound combinations to choose from to match your model and your preferences!





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SoundTraxx brings new dimensions in digital sound technology to your model railroad. Regardless of your scale or prototype, we have a sound system for you!

If you are unfamiliar with our products, we recommend you visit Choosing the Right Sound System first.


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Customer Comments:


  • Our Quality
    “Thank you for this wonderful offer (June 2018 Trade Up Promo) and for making a great product. I will be using it with my new proto throttle and will be standardizing on your decoders for all my models.”
    -Rob
  • Comparison
    ““I have been a big [competitor's] fan, but after working with the Tsunam2 decoders for a while now, I am convinced they are the absolute top of the group out there. They have much clearer sound files than the [competition] in my opinion.”
    -Dan
  • Our Service
    “Josh,
    Here is the damaged decoder. Thank you so much for your helping me with this. SoundTraxx is one classy organization.”

    - Garry

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