Decoder: Tsunami 2 - TSU-PNP8 Digital Sound Decoder - 2 amp


3 items left

SKU Style Price Qty
STX-885813 EMD Diesel $ 103.99 3 In Stock
STX-885824 EMD-2 Diesel $ 103.99 4 In Stock
STX-885814 GE Diesel $ 103.99 1 In Stock
STX-885815 ALCO Diesel $ 103.99 In Stock
STX-885816 Baldwin & Other Diesels $ 103.99 8 In Stock
Add to Wishlist
​ ​

SoundTraxx Tsunami 2 - TSU-PNP8 Digital Sound Decoder - 2 amp

The TSU-PNP8 is a universal factory board replacement sound decoder suitable for use in many manufacturer’s diesel models such as those made by Atlas, Athearn, and InterMountain Models. It is suitable for a wide variety of models from HO to S scale.

You will feel like you are in the cab with the amazing new features that Tsunami2 has to offer including: Reactive Dynamic Digital Exhaust, Functioning locomotive brakes, and train brakes. We also offer a large selection of selectable sound effects including: prime movers (up to 12), bells (12), airhorns (40+) and more!

This decoder includes a connector to easily add a CurrentKeeper (STX-810140) to maintain performance over dirty track and switches.


  • Dimensions: 74 x 17 x 5mm
  • Max. Motor Stall Current: 2A
  • Max. Function Current: 100mA (each output)
  • Function Outputs: 8
  • Audio Amplifier: 2 Watt, 8-Ohm Load
  • DCC Track Voltage: 7.5V – 22V
  • Sound Channels: 16

Related Items

Welcome to

Now that you're here we want to make sure you know all that we offer. Join our mailing list to learn all about the advantage!


Welcome to the Loyalty Points Demo Store :-)

Sign up and receive 5000 pts to test out in our Store.

Earning and redeeming Points

Earns you
Redeems to

Ways you can earn

  • Product Purchase
  • Refer a friend
  • Share on social media

Learn more about our program