SoundTraxx offers two PNP style decoders: the Tsunami2 TSU-PNP and the Econami ECO-PNP. These decoders are 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. They suitable for a wide variety of models from HO to S scale. Learn more about these decoders on our website. TSU-PNP: https://soundtraxx.com/products/tsunami2-digital-sound-decoders/tsu-pnp/ ECO-PNP: https://soundtraxx.co
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