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 885022 | TSU-2200 Tsunami2 (2-amp) EMD-2 Diesel Sound Decoder | HO Scale - Squeaky's Trains SoundTraxx 885022 | TSU-2200 Tsunami2 (2-amp) EMD-2 Diesel Sound Decoder | HO Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 885022 | TSU-2200 Tsunami2 (2-amp) EMD-2 Diesel Sound Decoder | HO Scale

    2 in stock

    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: EMD-2 Diesel 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

    2 in stock

    £85.26

  • SoundTraxx 885816 | TSU-PNP8 8 Function – Tsunami2 (2-amp) Baldwin & Other Diesel Sound Decoder | HO Scale - Squeaky's Trains SoundTraxx 885816 | TSU-PNP8 8 Function – Tsunami2 (2-amp) Baldwin & Other Diesel Sound Decoder | HO Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 885816 | TSU-PNP8 8 Function – Tsunami2 (2-amp) Baldwin & Other Diesel Sound Decoder | HO Scale

    1 review

    2 in stock

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

    2 in stock

    £78.26

  • SoundTraxx 810159 | JST-21PNEM Adapter - Squeaky's Trains

    SoundTraxx SoundTraxx 810159 | JST-21PNEM Adapter

    7 in stock

    Easily adapt any SoundTraxx 21PNEM decoder to an NMRA 9-Pin DCC “quick plug” equipped model. This adapter can also be used with SoundTraxx 9-Pin JST power harness (STX810069) to create a universal-style decoder. Dimensions: 22.5 x 16 x 7.5mm Support for up to 8 functions Solder Pads for CurrentKeeper, speaker connections and extra lights

    7 in stock

    £10.79

  • SoundTraxx 885006 | TSU-2200 Tsunami2 (2-amp) GE Diesel Sound Decoder | HO Scale - Squeaky's Trains SoundTraxx 885006 | TSU-2200 Tsunami2 (2-amp) GE Diesel Sound Decoder | HO Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 885006 | TSU-2200 Tsunami2 (2-amp) GE Diesel Sound Decoder | HO Scale

    1 in stock

    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: GE Diesel 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

    1 in stock

    £85.26

  • SoundTraxx 885025 | TSU-4400 – Tsunami2 (4-amp) EMD-2 Diesel Sound Decoder | Multi Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 885025 | TSU-4400 – Tsunami2 (4-amp) EMD-2 Diesel Sound Decoder | Multi Scale

    1 in 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-2 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

    1 in stock

    £130.49

  • SoundTraxx 810131 | 28mm Square Mega Bass Speaker 8-ohm 4 watt - Squeaky's Trains

    SoundTraxx SoundTraxx 810131 | 28mm Square Mega Bass Speaker 8-ohm 4 watt

    1 review

    4 in stock

    This is SoundTraxx’s largest Megabass speaker which provides the best low frequency bass sounds for your steam, diesel, and electric models. Dimensions: 28 x 28 x 11.2mm(D)Frequency Response: 200Hz – 20kHzPeak Power: 4 WattsImpedance: 8 Ohms

    4 in stock

    £8.24

  • SoundTraxx 885815 | TSU-PNP8  8 Function Tsunami2 (2-amp) ALCO Diesel Sound Decoder - Squeaky's Trains SoundTraxx 885815 | TSU-PNP8  8 Function Tsunami2 (2-amp) ALCO Diesel Sound Decoder - Squeaky's Trains

    SoundTraxx SoundTraxx 885815 | TSU-PNP8 8 Function Tsunami2 (2-amp) ALCO Diesel Sound Decoder

    1 review

    1 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.

    1 in stock

    £78.26

  • SoundTraxx 810053 | 20mm (3/4″) Round Speaker - Squeaky's Trains SoundTraxx 810053 | 20mm (3/4″) Round Speaker - Squeaky's Trains

    SoundTraxx SoundTraxx 810053 | 20mm (3/4″) Round Speaker

    2 in stock

    This tiny, high-output speaker is suitable for N-scale and larger models. Dimensions: 20 x 3.2mm(D)Frequency Response: 475Hz – 9kHzPeak Power: 1 WattImpedance: 8 Ohms

    2 in stock

    £8.88

  • SoundTraxx 810162 | Mini Cube 3 Oval Speaker/Baffle Kit | N Scale - Squeaky's Trains SoundTraxx 810162 | Mini Cube 3 Oval Speaker/Baffle Kit | N Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 810162 | Mini Cube 3 Oval Speaker/Baffle Kit | N Scale

    3 in stock

    This speaker is the Mini Cube 3. We just love the amazing sound that you can get out of this tiny speaker. The Mini Cube 3 is only 12 x 5.5 x 3mm, but the sound it produces will blow your mind!  George has shown this speaker off in YouTube videos with the N-Scale TSU-KN1 decoder.  Dimensions: 12.5 x 5.5 x 3mm(D)Frequency Response: 800Hz - 20kHzPower: 0.3 Watts (Nominal) 0.5 Watts (Peak)Impedance: 8 Ohms Note: For best performance, seal the speaker to the baffle with a light RTV-style adhesive.  To avoid damaging the 0.5 watt Mini Cube 3 speaker, they are best used in pairs and wired in series. 

    3 in stock

    £12.70

  • SoundTraxx 810114 | 30mm Round Speaker - Squeaky's Trains

    SoundTraxx SoundTraxx 810114 | 30mm Round Speaker

    1 review

    2 in stock

    If you have more space, this speaker works well for larger models. Dimensions: 30 x 5.3mm(D)Frequency Response: 490Hz - 10kHzPower: .5 Watt (Nominal) 1 Watt (Peak)Impedance: 8 Ohms

    2 in stock

    £8.88

  • SoundTraxx 810103 | 40 x 20mm Oval Speaker - Squeaky's Trains

    SoundTraxx SoundTraxx 810103 | 40 x 20mm Oval Speaker

    2 reviews

    2 in stock

    This is a great speaker for many HO and S-scale locomotives. Dimensions: 40 x 20 x 8mm(D)Frequency Response: 200Hz - 12kHzPeak Power: 1.5 WattsImpedance: 8 Ohms

    2 in stock

    £10.15

  • SoundTraxx 852003 | DCC Mobile Decoder MC2H104OP - Squeaky's Trains

    SoundTraxx SoundTraxx 852003 | DCC Mobile Decoder MC2H104OP

    2 in stock

    HO-scale, 4-function decoder that measures 25 x 16 x 6mm with a 9-pin JST to 8-pin NMRA wiring harness that can be used in many DCC-ready models that have an NMRA 8-pin socket. This decoder will operate in both DC and DCC. Dimensions: 25 x 16 x 6mm Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 4 DCC Track Voltage: 21 Volts Maximum

    2 in stock

    £23.52

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