SoundTraxx

SoundTraxx - Squeaky's Trains & Things

SoundTraxx brings new dimensions in digital sound technology to your model railroad. Regardless of your scale or prototype, they have a sound system for you! They manufacture all of their Digital Sound Decoders in the USA, right here in Durango, Colorado. Their professional sound engineers record and edit their sound files and test their decoders multiple times before they ship to ensure top quality.

140 products


  • SoundTraxx 810120 | 40 x 20mm Speaker Gasket Kit

    SoundTraxx SoundTraxx 810120 | 40 x 20mm Speaker Gasket Kit

    6 in stock

    Package of four gaskets for mounting our 40 x 20mm oval speakers (P.N. 810103).

    6 in stock

    $6.20

  • SoundTraxx 886001 | TSU-1100 Tsunami2 (1-amp) Electric Sound Decoder

    SoundTraxx SoundTraxx 886001 | TSU-1100 Tsunami2 (1-amp) Electric Sound Decoder

    1 in stock

    The TSU-1100 is one of SoundTraxx’s smallest sound decoders, yet is packed with a plethora of high-performance features! 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. SoundTraxx 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! This micro 1-amp, universal-style format is ideal for small models with minimal space. It includes an optional capacitor or can be wired to a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: Electric Dimensions: 27 x 10.5 x 5mm Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 4 Audio Amplifier: 1 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16

    1 in stock

    $111.96

  • SoundTraxx 882006 | Econami ECO-21PNEM (1-amp) Digital Diesel Sound Decoder | HO Scale

    SoundTraxx SoundTraxx 882006 | Econami ECO-21PNEM (1-amp) Digital Diesel Sound Decoder | HO Scale

    2 reviews

    Out of stock

    The Econami ECO-21PNEM 1-amp Digital Sound Decoder simply plugs into models equipped with an NEM-supported 21-pin socket. The ECO-21PNEM can be wired to a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: Diesel Dimensions: 30.5 x 15.5 x 6.55mm Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 6 Audio Amplifier: 2 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 12

    Out of stock

    $67.96

  • SoundTraxx 885617 | BLU-4408 Blunami EMD Diesel Sound Decoder | Multi Scale SoundTraxx 885617 | BLU-4408 Blunami EMD Diesel Sound Decoder | Multi Scale

    SoundTraxx SoundTraxx 885617 | BLU-4408 Blunami EMD Diesel Sound Decoder | Multi Scale

    Out of stock

    Blunami will change the way you enjoy the model railroading hobby! The Blunami BLU-4408The BLU-4408 is designed to wirelessly operate 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. Blunami decoders can be operated in three different ways: DC, DCC and Wireless mode. Using the Blunami app (iOS versions 8 or later), you can operate your locomotive with incredible ease of use. 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 create the most realistic experience possible.HIGH QUALITY SOUND LIBRARYOur large selection of high quality sound effects include:  10 Exhaust Chuffs Up to 12 Prime Movers in each sound profile  Up to 12 Bells  90 Whistles 40+ Airhorns Additional couplers, dynamos, cab chatter and more! ADDED REALISMAdditional realism can be simulated by adding functioning locomotive and train brakes, injectors, power reverse, firebox flicker and more. EASY INSTALLATIONNo 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. Dimensions: 69 x 30.5 x 14mm  Max. Motor Stall Current: 4A Max. Function Current: 400mA (each output) Function Outputs: 8 Audio Amplifier: 3 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 26V Sound Channels: 16   Blunami Owner's Manual Blunami Installation Guide Blunami Steam User's Guide Blunami Diesel User's Guide Blunami Electric User's Guide   Blunami Sound Selection References: Blunami Steam-2 Sound Selection Reference Blunami EMD Sound Selection Reference Blunami EMD-2 Sound Selection Reference Blunami GE Sound Selection Reference Blunami ALCO Sound Selection Reference Blunami Baldwin & Others Sound Selection Reference Blunami Electric Sound Selection Reference   Blunami Sound Samples Blunami Steam-2 Sounds Blunami EMD Blunami EMD-2 Sounds Blunami GE Sounds Blunami ALCO Sounds Blunami Baldwin & Other Diesel Sounds Blunmai Electric Sounds SoundTraxx A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture our industry-best products right here in the USA, and our friendly customer support staff work side-by-side with the rest of our product team.

    Out of stock

    $204.76

  • SoundTraxx 885810 | TSU-21PNEM – 8 Function – Tsunami2 (1-amp) GE Diesel Sound Decoder SoundTraxx 885810 | TSU-21PNEM – 8 Function – Tsunami2 (1-amp) GE Diesel Sound Decoder

    SoundTraxx SoundTraxx 885810 | TSU-21PNEM – 8 Function – Tsunami2 (1-amp) GE Diesel Sound Decoder

    2 reviews

    Out of stock

    The TSU-21PNEM8 is a 1-amp Digital Sound Decoder with 8 function outputs. It is designed for easy plug-in operation when mated to a 21-pin NEM connector. 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. They 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! This decoder includes a connector to easily add a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Sound Profile: GE Diesel Dimensions: 30.5 x 15.5 x 6.5mm  Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 8 Audio Amplifier: 2 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16

    Out of stock

    $98.36

  • SoundTraxx 885811 | TSU-21PNEM8 Tsunami2 (1-amp) ALCO Diesel Sound Decoder SoundTraxx 885811 | TSU-21PNEM8 Tsunami2 (1-amp) ALCO Diesel Sound Decoder

    SoundTraxx SoundTraxx 885811 | TSU-21PNEM8 Tsunami2 (1-amp) ALCO Diesel Sound Decoder

    Out of stock

    The TSU-21PNEM8 is a 1-amp Digital Sound Decoder with 8 function outputs. It is designed for easy plug-in operation when mated to a 21-pin NEM connector. 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. They 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! The TSU-21PNEM8 can be wired to a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: ALCO Diesel Dimensions: 30.5 x 15.5 x 6.5mm Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 8 Audio Amplifier: 2 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16

    Out of stock

    $98.36

  • SoundTraxx 885017 | TSU-4400 – Tsunami2 (4-amp) EMD Diesel Sound Decoder | Multi Scale

    SoundTraxx SoundTraxx 885017 | TSU-4400 – Tsunami2 (4-amp) EMD Diesel Sound Decoder | Multi Scale

    Out of stock

    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! This 4-amp, universal-style format decoder includes a connector to easily add a CurrentKeeper (P.N. STX810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: EMD Diesel Dimensions: 69 x 30.5 x 14mm Max. Motor Stall Current: 4A Max. Function Current: 400mA (each output) Function Outputs: 6 Audio Amplifier: 3 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 26V Sound Channels: 16

    Out of stock

    $164.00

  • SoundTraxx 885840 | Tsunami2 TSU-BH1 EMD Diesel Digital Sound Decoder SoundTraxx 885840 | Tsunami2 TSU-BH1 EMD Diesel Digital Sound Decoder

    SoundTraxx SoundTraxx 885840 | Tsunami2 TSU-BH1 EMD Diesel Digital Sound Decoder

    Out of stock

    Get an easy upgrade for your Bachmann Sound Value diesel models with our newest Tsunami2 decoder! The TSU-BH1 offers 8 LED-friendly function outputs so resistors are not required for LEDs! (See the wiring diagrams under product documentation for more information). Light effects are fully remappable and offer full access to our 20+ HyperLight effects.This decoder is available in 3 sound profiles EMD, GE, and ALCO. For an easy install, simply replace the Sound Value decoder and enjoy all of the Tsunami2 features you love!This decoder is designed to replace the factory board in the following Bachmann Sound Value Diesel Models: FA-2, FB-2, S-4, E7-A, SD70ACe, ES44AC, GP30, GP38-2, GP40, GP7, and SD40-2.Fun Tsunami2 features including: Reactive Dynamic Digital Exhaust, Functioning locomotive and train brakes, injectors, power reverse, and more. We also offer a large selection of selectable sound effects including: prime movers (up to 12), bells (12), airhorns (40+), couplers, and more!This decoder includes a connector to easily add a CurrentKeeper (P.N. 810140 or 810160) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: EMD Diesel Dimensions: 97 x 16 x 7.7mm Max. Motor Stall Current: 2A Max. Function Current: 100mA (each output) Function Outputs: 8 LED-Friendly Outputs! Audio Amplifier: 2 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16 Tsunami2 Digital Sound Decoders integrate a full-featured sound system, Hyperlight™ lighting effects, Hyperdrive2™ advanced motor control, and a DCC decoder into a single package. Tsunami2 Digital Sound Decoders offer 20+ lighting effects in each model! Other popular Tsunami2 features include: Reactive Dynamic Digital Exhaust, Functioning locomotive and train brakes. We also offer a large selection of selectable sound effects including: 8 manufacturer specific prime movers, bells (12), airhorns (40+), couplers, compressors, and more!

    Out of stock

    $98.36

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