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SoundTraxx Tsunami 2 TSU-4400 885018 GE Diesel 4-Amp Digital Sound Decoder
4 In Stock
16-bit Digital Sound for GE Diesel Prototypes
69 x 30.5 x 14mm Universal Format
4A Motor Stall Current
Over 50 Sound Effects with Selectable Reverb
Functioning Engine, Train and Dynamic Brakes
6 Function Outputs with over 20 Hyperlight
tm Advanced Motor Control
Reactive Dynamic Digital Exhaust
Model Train Market is an Authorized SoundTraxx Dealer!
THE TSUNAMI2 TSU-4400 The TSU-4400 is designed for models with higher stall currents such as some S, O, and large scale locomotives; this decoder features easy-to-use terminal blocks for no-fault wiring and a higher audio amplifier for awesome volume, indoors or out. 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 and train brakes, injectors, power reverse, and firebox flicker. We also offer a large selection of selectable sound effects including: exhaust chuffs(10), prime movers (up to 12), bells (12), Whistles (90), airhorns (40+), couplers, dynamos and more!
DYNAMIC DIGITAL EXHAUST For added realism, you’ll love our reactive Dynamic Digital Exhaust (DDE) feature. When your locomotive is traveling across flat terrain and simply maintaining speed, you will hear your locomotive chugging along. But, when the locomotive encounters a grade and the engineer applies more throttle to get the train up the hill, the engine sounds will automatically react and reflect the increase of power needed to crest the hill. DDE accomplishes this by calculating the changes in strain or load on the motor and adjusting the exhaust to appropriately simulate the work the engineer would be doing to the throttle of the engine. This gives Tsunami2 the ability to createthe most realistic experience possible.
HIGH QUALITY SOUND LIBRARY Our large selection of high quality sound effects include:
10 Exhaust Chuffs
Up to 12 Prime Movers in each sound profile
Up to 12 Bells
Additional couplers, dynamos, cab chatter and more!
ADDED REALISM Additional realism can be simulated by adding functioning locomotive and train brakes, injectors, power reverse, firebox flicker and more.
EASY INSTALLATION No soldering required! This decoder features easy-to-use terminal blocks for no-fault wiring.
This 4-amp, universal-style format decoder includes a connector to easily add a CurrentKeeper (P.N. 810140 or 810160) to maintain performance over dirty track and switches.
69 x 30.5 x 14mm
Max. Motor Stall Current:
Max. Function Current:
400mA (each output)
3 Watt, 8-Ohm Load
DCC Track Voltage:
7.5V – 26V
Feel free to ask us which decoder would be best and you can also consult the SoundTraxx Decoder Selector
Top-Notch Technical Support Available directly from the Manufacturer
Model Train Market is an Authorized SoundTraxx Dealer so your purchase is Guaranteed!