Bring your Model Trains to life with SoundTraxx!



Check out the Tsunami2 Digital Sound Decoder from SoundTraxx! This wonderful video, produced by our friend Ken Patterson, highlights many of the great features found in our Tsunami2 line of Digital Sound Decoders. Features like Reactive Dynamic Digital Exhaust (DDE)™ for Diesels, FlexMap Function Mapping technology, a massive sound library on each decoder and improved HyperDrive2™ motor control make this a must-have decoder for your model railroad!



SoundTraxx Customer Comments:


  • Our Support Staff
    “BIG thank you. Decoder arrived back, I got it installed with no problem into that custom paint unit and it sounds great. Thank you to you and your team for taking such good care of your customers.

    Always not easy to find such great customer support, thanks again. ”
    Jim Young
  • Customer Support Center
    We have a Customer Support Center staffed Monday - Friday 9:00 am to 5:30 pm, a very informative website, top notch manuals, and a growing YouTube Series to help you get the most out of your SoundTraxx products.

    Here a customer summarizes his experience with our customer support and that of another decoder company.

    “FYI his manuals are garbage. I grab the [original] ones for the ver 4. His translations omit more info than what’s in [the other] manuals... Anybody who calls (my experience) is treated like an idiot. Thanks for the help. Was impressed with support email today.”
    -W.R.
  • Tsunami2 Experience
    "George,
    I was just at Train Shack in Burbank and Todd told me he just got in a pair of Santa Fe F7's with new Tsunami 2. I had to try them out! They SOUND AWESOME!!!! SO LOUD TOO!!!

    It was originally programmed with a single note horn, wrong for the 5-chime the engine used. BUT THEN I SWITCH TO the LESLIE RS5T and THAT IS THE SOUND THAT AL AND I REMEMBER AND HAVE BEEN LOOKING FOR!!!!

    Also just simply going back and forth on a test track with factory settings no momentum or brake set up it's SOOOOO much better than the functions of the T1!
    - Started up with the alarm bell like real!
    - First speed step I heard the brake release!
    - It accelerated with the right sound and the prime mover sounded great!
    - Horn was just like I remember!
    - Even just slowing it down without the brake set up it felt and sounded real!
    - I hit emergency stop and it DIDN'T shut it down, but you good hear the air dump! PERFECT!

    Really great job!!!"

    -Ken J. Johnson, Hollywood Sound Designer


Welcome to SoundTraxx

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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Embedded Systems Engineer
Full time position with competitive wage and benefits. Responsible for the design, development, testing and documentation of new Software/ Firmware/ Hardware systems for SoundTraxx products... Learn more


Sound References

Choosing the Right Sound System Sound Primer Sound Samples