Tsunami (Soundcar)

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Multifunction Decoder:

SoundTraxx: Tsunami (Soundcar)

Summary: The SoundCar is a Tsunami Digital Sound Only Decoder manufactured by Soundtraxx. It is meant for installation in an unpowered vehicle, such as a caboose, stock or mechanical refrigerator car.

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General information
Manufacturer SoundTraxx
Compare Prices Latest Prices
Product information
Part Number

Common Name Tsunami
Decoder Core Features Sound

Product URL External Product Link
Product Manual URL External Product Link
Hardware Information
Scales G, G - 1:22.5, G - 1:24, G - 1:29, G - 1:32, HO, N, O, OO, S, TT
Connection Method Wire Leads
Length 48 mm4.8 cm <br />0.048 m <br />1.89 in <br />0.157 ft <br />
Width 13.5 mm1.35 cm <br />0.0135 m <br />0.531 in <br />0.0443 ft <br />
Height 9 mm0.9 cm <br />0.009 m <br />0.354 in <br />0.0295 ft <br />
Continuous Amps
Max Amps .8
Voltage Range 27
General DCC Information
Extended Addressing Yes
Speed Steps
User Loadable Speed Table
Back EMF
Programming Modes
Decoder Assisted Consists
CV Readback
Silent Running (HF)
Kick Start
Function Information
# of Functions 4
Function Amps 100ma
# of Lighting Effects
# of Sound Effects 8
Programming Information
Programming Lock
Decoder Programming Modes
Misc Items
SUSI Interface
Has computer interface None
Firmware Upgrade Possible
UPC Number 812165022342

What is a SoundCar decoder?

The 16-bit Tsunami SoundCar Digital Sound Decoder™ is the only Digital Command Control sound decoder which replicates railcar sounds, such as the clickety-clack, flange squeal, flat spots, generator, brake cylinders, and glad hand release. It also includes a selection of user-adjustable horns, bells and whistles for cab cars and cabooses. For even more realism, the decoder has four Hyperlight lighting outputs for interior and exterior lights.

The SoundCar also includes a connection for a CurrentKeeper.

They require an 8-ohm speaker. For the optimal aural experience SoundTraxx recommends use in every third or fourth car in a consist.

It includes a selection of horns, bells and whistles for cab cars and cabooses. For extra realism, the decoder has four Hyperlight outputs for interior and exterior lighting. It can also be programmed as a freight car, mechanical reefer, stock car or caboose, in addition to passenger cars, with or without a generator.

Available Effects

  • Brake cylinders/Brake squeal
  • Clickety-clack: two, four and six-axle cars
  • Coupler clank and pin drop, Coupler release with glad hand separation
  • Flange squeal
  • Flat spots
  • Emergency brake valve (“big hole”): Activated when the emergency stop button is pressed
  • User configured Generators for reefers and passenger cars
  • Hand brake tie down and untie
  • Multiple airhorns, air whistle and bells with adjustable ring rates for cab cars and cabooses
  • Airhorns: Wabco E2, Nathan K5LA and Hancock air whistle
  • Bells: Cast, electronic and gong
  • Retainer bleed-off


Simulate interior coach lights, marker lamps, flashing rear-end devices (FRED), and more.

More information

SoundCar Info Sheet

Soundcar FAQs

  • No FAQs link to this page.

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