SoundTraxx: Premium Model Train Sound Systems

SoundTraxx: Premium Model Train Sound Systems - Squeaky's Trains

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.

141 products


  • SoundTraxx 882004 | Econami ECO-PNP Diesel (2-amp) Digital Sound Decoder - Squeaky's Trains SoundTraxx 882004 | Econami ECO-PNP Diesel (2-amp) Digital Sound Decoder - Squeaky's Trains

    SoundTraxx SoundTraxx 882004 | Econami ECO-PNP Diesel (2-amp) Digital Sound Decoder

    9 reviews

    5 in stock

    The 2-amp Econami ECO-PNP universal-style Digital Sound Decoder is suitable for a wide variety of models from HO to S scale. This decoder includes a connector to easily add a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: Diesel Dimensions: 74 x 17 x 5mm Max. Motor Stall Current: 2A 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

    5 in stock

    £52.60

  • SoundTraxx 810140 | CurrentKeeper™ - Squeaky's Trains

    SoundTraxx SoundTraxx 810140 | CurrentKeeper™

    4 reviews

    17 in stock

    The SoundTraxx CurrentKeeper™ is designed to add additional power capacity to any decoder installation. It can be used to overcome dirty track, limited electrical pickup or dead frogs to ensure reliable operation of any locomotive in your fleet. It measures 40 x 6 x 11mm.

    17 in stock

    £20.40

  • SoundTraxx 810160 | CurrentKeeperII | Multi Scale - Squeaky's Trains SoundTraxx 810160 | CurrentKeeperII | Multi Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 810160 | CurrentKeeperII | Multi Scale

    4 reviews

    11 in stock

    Introducing the More Compact CurrentKeeperII! Not all models are made the same, and some are a TIGHT fit for a decoder installation. The CurrentKeeper is now available in two sizes to fit more models and make your installs easier! Keep more of your trains running even over dirty track and switches!  The NEW SoundTraxx CurrentKeeperII™ is designed to add additional power capacity to any decoder installation. It can be used to overcome dirty track, limited electrical pickup or dead frogs to ensure reliable operation of any locomotive in your fleet. It measures 20.1 x 13.2 x 11mm. ● Maintains power to the decoder for up to 6 seconds during electrical interruptions● Compatible with NMRA DCC Standards & Recommended Practices

    11 in stock

    £20.40

  • SoundTraxx 884007 | TSU-2200 Steam-2 Digital Sound Decoder | Tsunami2 2-amp - Squeaky's Trains SoundTraxx 884007 | TSU-2200 Steam-2 Digital Sound Decoder | Tsunami2 2-amp - Squeaky's Trains

    SoundTraxx SoundTraxx 884007 | TSU-2200 Steam-2 Digital Sound Decoder | Tsunami2 2-amp

    7 reviews

    6 in stock

    Enjoy complimentary shipping!Bundle your purchases for even more savings with our free shipping option. (This offer is optional) The TSU-2200 is a versatile Digital Sound Decoder that is suitable for a wide variety of models from HO to S scale. 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 2-amp, universal-style format, and includes a connector to easily add a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: Steam-2 Dimensions: 35 x 18 x 6mm Max. Motor Stall Current: 2A Max. Function Current: 100mA (each output) Function Outputs: 6 Audio Amplifier: 2 Watt, 8-Ohm Load DCC Track Voltage: 7.5V – 22V Sound Channels: 16

    6 in stock

    £82.94

  • SoundTraxx 810153 | 28mm (1″) 8-ohm, 2 Watt Round Speaker - Squeaky's Trains SoundTraxx 810153 | 28mm (1″) 8-ohm, 2 Watt Round Speaker - Squeaky's Trains

    SoundTraxx SoundTraxx 810153 | 28mm (1″) 8-ohm, 2 Watt Round Speaker

    2 reviews

    6 in stock

    Suitable for many HO and larger models. Dimensions: 28 x 4.5mm(D)Frequency Response: 320 Hz – 18kHzPower: 1 Watt (Nominal) 2 Watts (Peak)Impedance: 8 Ohms

    6 in stock

    £8.02

  • SoundTraxx 885813 | TSU-PNP8 8 Function – Tsunami2 (2-amp) EMD Diesel Sound Decoder - Squeaky's Trains SoundTraxx 885813 | TSU-PNP8 8 Function – Tsunami2 (2-amp) EMD Diesel Sound Decoder - Squeaky's Trains

    SoundTraxx SoundTraxx 885813 | TSU-PNP8 8 Function – Tsunami2 (2-amp) EMD Diesel Sound Decoder

    2 reviews

    3 in stock

    The TSU-PNP8 is a universal factory board replacement sound decoder suitable for use in many manufacturer’s diesel models such as those made by Atlas, Athearn, and InterMountain Models. It is suitable for a wide variety of models from HO to S scale. 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 brakes, and train brakes. We also offer a large selection of selectable sound effects including: prime movers (up to 12), bells (12), airhorns (40+) and more! This decoder includes a connector to easily add a CurrentKeeper (P.N. 810140) to maintain performance over dirty track and switches.

    3 in stock

    £76.13

  • SoundTraxx 810123 | NMRA 8-pin Connector (set of 4) - Squeaky's Trains SoundTraxx 810123 | NMRA 8-pin Connector (set of 4) - Squeaky's Trains

    SoundTraxx SoundTraxx 810123 | NMRA 8-pin Connector (set of 4)

    3 in stock

    This set of four 8-pin connectors is designed to facilitate wiring in locomotives equipped with a DCC-ready socket.

    3 in stock

    £8.64

  • SoundTraxx 810155 | Mini Cube 2 Oval Speaker/Baffle - Squeaky's Trains SoundTraxx 810155 | Mini Cube 2 Oval Speaker/Baffle - Squeaky's Trains

    SoundTraxx SoundTraxx 810155 | Mini Cube 2 Oval Speaker/Baffle

    1 review

    4 in stock

    SoundTraxx’s tiniest speaker comes with a properly proportioned speaker enclosure and provides remarkable volume for tiny models! Dimensions: 13 x 9 x 9.4mm(D)Frequency Response: 100Hz – 10kHzPower: 40mW (Nominal) 75mW (Peak)Impedance: 32 Ohms Note: When using this speaker with a decoder that has a 1-2 Watt, 8 Ohm  amplifier; it must be wired in parallel with another 32 Ohm speaker to create a 16 Ohm load for the amplifier.

    4 in stock

    £10.18

  • SoundTraxx 884609 | BLU-4408 Blunami Steam-2 Sound Decoder | Multi Scale - Squeaky's Trains SoundTraxx 884609 | BLU-4408 Blunami Steam-2 Sound Decoder | Multi Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 884609 | BLU-4408 Blunami Steam-2 Sound Decoder | Multi Scale

    5 reviews

    2 in stock

    Enjoy complimentary shipping!Bundle your purchases for even more savings with our free shipping option. (This offer is optional) 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.

    2 in stock

    £158.49

  • SoundTraxx 852005 | DCC Mobile Decoder MC1H104P21 - Squeaky's Trains

    SoundTraxx SoundTraxx 852005 | DCC Mobile Decoder MC1H104P21

    2 in stock

    HO-scale, 4-function decoder that measures 25.1 x 15.6 x 4.7mm. This decoder has a 21-pin connector arranged according to the NMRA Standard that easily plugs into the factory-installed PCB of many models. This decoder will operate in DCC only. Dimensions: 25.1 x 15.6 x 4.7mm  Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 4 DCC Track Voltage: 21 Volts Maximum

    2 in stock

    £17.31

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

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

    2 reviews

    2 in 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

    2 in stock

    £52.60

  • SoundTraxx 810113 | 35 x 16mm Oval 8-ohm Speaker - Squeaky's Trains

    SoundTraxx SoundTraxx 810113 | 35 x 16mm Oval 8-ohm Speaker

    2 reviews

    3 in stock

    This small oval speaker is ideal for narrow hood diesels. Dimensions: 35 x 16 x 8mm(D)Frequency Response: 250Hz – 13kHzPower: 1 Watt (Nominal) 2 Watts (Peak)Impedance: 8 Ohms

    3 in stock

    £9.88

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