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Bowser Manufacturing

SoundTraxx Began providing Tsunami Digital Sound Decoders to Bowser Manufacturing for their Executive Lline HO scale diesel locomotives in 2009. If you have purchased a new Executive Line 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 sound and the benefits of today’s DCC technology. Each Bowser sound-equipped locomotive comes with multiple horns to allow you to customize the locomotive to your personal tastes. These Bowser Executive line sound equipped models include all of the amazing features found in the aftermarket Tsunami DSDs, 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 controls.

Listed below are the locomotive models that currently are or will be shipped with SoundTraxx decoders installed. Select your model from the list below to link to a quick reference document specific to the locomotive. For a complete breakdown of all of the CVs and Tsunami’s capabilities please reference the User’s Guide and Technical Reference on our website or visit

Executive Line Sound Equipped Models

HO Scale