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

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

    9 reviews

    9 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 aĀ CurrentKeeperĀ (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 ā€“ 22V Sound Channels: 12

    9 in stock

    $67.96

  • SoundTraxx 810140 | CurrentKeeperā„¢

    SoundTraxx SoundTraxx 810140 | CurrentKeeperā„¢

    4 reviews

    14 in stock

    The SoundTraxx CurrentKeeperā„¢ 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.Ā It measures 40 x 6 x 11mm.

    14 in stock

    $26.36

  • SoundTraxx 810160 | CurrentKeeperIIā„¢ SoundTraxx 810160 | CurrentKeeperIIā„¢

    SoundTraxx SoundTraxx 810160 | CurrentKeeperIIā„¢

    3 reviews

    6 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!Ā  The NEW SoundTraxx CurrentKeeperIIā„¢ 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.Ā It measures 20.1 x 13.2 x 11mm. ā— Maintains power to the decoder for up to 6 seconds during electrical interruptionsā— Compatible with NMRA DCC Standards & Recommended Practices

    6 in stock

    $26.36

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

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

    7 reviews

    5 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 aĀ CurrentKeeperĀ (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 ā€“ 22V Sound Channels: 16

    5 in stock

    $107.16

  • SoundTraxx 810154 | Mini Cube Oval Speaker/Baffle

    SoundTraxx SoundTraxx 810154 | Mini Cube Oval Speaker/Baffle | HO Scale

    1 review

    4 in stock

    This tiny speaker comes with a properly proportioned speaker enclosure and provides great results for space-constrained models! Dimensions:Ā 16 x 12 x 11.3mm(D)Frequency Response:Ā 300Hz ā€“ 20kHzPower:Ā .7 Watts (Nominal) 1 Watt (Peak)Impedance:Ā 8 Ohms Note:Ā When using this speaker with a decoder that has a two watt amplifier, it must be wired in series with another 1 watt speaker.

    4 in stock

    $12.76

  • SoundTraxx 810153 | 28mm (1ā€³) 8-ohm, 2 Watt Round Speaker SoundTraxx 810153 | 28mm (1ā€³) 8-ohm, 2 Watt Round Speaker

    SoundTraxx SoundTraxx 810153 | 28mm (1ā€³) 8-ohm, 2 Watt Round Speaker

    2 reviews

    5 in stock

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

    5 in stock

    $10.36

  • SoundTraxx 885813 | TSU-PNP8 8 Function ā€“ Tsunami2 (2-amp) EMD Diesel Sound Decoder SoundTraxx 885813 | TSU-PNP8 8 Function ā€“ Tsunami2 (2-amp) EMD Diesel Sound Decoder

    SoundTraxx SoundTraxx 885813 | TSU-PNP8 8 Function ā€“ 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 manufacturerā€™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 aĀ CurrentKeeperĀ (P.N. 810140) to maintain performance over dirty track and switches.

    3 in stock

    $98.36

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

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

    4 in stock

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

    4 in stock

    $11.16

  • SoundTraxx 810155 | Mini Cube 2 Oval Speaker/Baffle SoundTraxx 810155 | Mini Cube 2 Oval Speaker/Baffle

    SoundTraxx SoundTraxx 810155 | Mini Cube 2 Oval Speaker/Baffle

    1 review

    3 in stock

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

    3 in stock

    $13.15

  • 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

    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 aĀ CurrentKeeperĀ (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 ā€“ 22V Sound Channels: 12

    2 in stock

    $67.96

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

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

    2 reviews

    5 in stock

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

    5 in stock

    $12.76

  • SoundTraxx 884009 | TSU-4400 ā€“ Tsunami2 (4-amp) Steam-2 Sound Decoder | Multi Scale

    SoundTraxx SoundTraxx 884009 | TSU-4400 ā€“ Tsunami2 (4-amp) Steam-2 Sound Decoder | Multi Scale

    5 reviews

    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 aĀ CurrentKeeperĀ (P.N. STX810140) to maintain performance over dirty track and switches. Product Specifications: Sound Profile: Steam-2 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 ā€“ 26V Sound Channels: 16

    1 in stock

    $164.00

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