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Walthers Proto 2000 Line

SoundTraxx has been providing Tsunami Digital Sound Decoders to Walthers since 2011. If you have purchased a quality Walthers Proto 2000 locomotive equipped with SoundTraxx Tsunami Digital Sound Technology, congratulations! This state-of-the-art sound decoder will provide all of the pleasures of high quality, digital onboard sound and the benefits of today’s DCC technology. Each Proto 2000 sound-equipped locomotive comes with multiple horns to allow you to customize the locomotive to your personal tastes or more closely match your prototype railroad. Proto sound-equipped locomotives include all of the amazing features found in aftermarket Tsunami decoders, including the ability to set up manual notching, a built in 7 band equalizer, built in reverb, all 15 hyperlight lighting effects, and advanced motor control. Listed below are the locomotive models that currently are or will be shipped with Tsunami Digital Sound Decoders installed. Select your model from the list to link to a quick reference document specific to that engine. For a complete breakdown of all of the CVs and Tsunami capabilities please reference the Diesel User’s guide and Technical Reference in our website or visit

Sound-Equipped Models

HO Scale
Budd Metroliner
F7 El Capitan
USRA 0-8-0
Kitchen Dorm
Plymouth ML8