Model Trains, Scenery, DCC Decoders & HO/N Scale Kits

DCC Decoders

152 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

    15 reviews

    14 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

    14 in stock

    $67.96

  • 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

    2 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

    2 in stock

    $107.16

  • Digitrax DH127PS | Series 7 Mobile Decoder | HO Scale - Squeaky's Trains

    Digitrax Digitrax DH127PS | Series 7 Mobile Decoder | HO Scale

    1 in stock

    The Digitrax DH127PS | Series 7 Mobile Decoder for HO Scale is a must-have for any model railway enthusiast. With its advanced technology and impressive performance, this decoder will bring your HO scale locomotives to life. Enjoy smooth and precise control over your trains with this high-quality decoder. Fits many 8-pin Medium Socket DCC-Ready HO locomotives Digitrax 9-Pin Socket and PS-Harness Medium Plug with approximately.1.2" wires 1.0 Amp/2 Amps Peak 2 FX7 Functions, 200ma Output More Information Item # DH127PS Brand Digitrax Scale HO MSRP $27.00 TCA Grading C-10 Mint - Brand New Availability In-Stock/Restockable Manuals Instruction Sheet

    1 in stock

    $19.99

  • 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

    7 reviews

    3 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.

    3 in stock

    $204.76

  • SoundTraxx 882006 | Econami ECO-21PNEM (1-amp) Digital Diesel Sound Decoder | HO Scale - Squeaky's Trains Colorful graphic promoting free shipping with a delivery truck icon on a yellow background.

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

    3 reviews

    5 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

    5 in stock

    $67.96

  • 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

    4 reviews

    2 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.

    2 in stock

    $98.36

  • SoundTraxx 884006 | TSU-1100 Tsunami2 (1-amp) Steam-2 Sound Decoder | HO Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 884006 | TSU-1100 Tsunami2 (1-amp) Steam-2 Sound Decoder | HO Scale

    2 reviews

    3 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: Steam-2 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

    3 in stock

    $111.96

  • SoundTraxx 885809 | TSU-21PNEM8 Tsunami2 (1-amp) EMD Diesel Sound Decoder - Squeaky's Trains SoundTraxx 885809 | TSU-21PNEM8 Tsunami2 (1-amp) EMD Diesel Sound Decoder - Squeaky's Trains

    SoundTraxx SoundTraxx 885809 | TSU-21PNEM8 Tsunami2 (1-amp) EMD Diesel Sound Decoder

    1 review

    1 in 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: EMD 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

    1 in stock

    $98.36

  • SoundTraxx 852002 | DCC Mobile Decoder MC2H104AT | HO Scale - Squeaky's Trains

    SoundTraxx SoundTraxx 852002 | DCC Mobile Decoder MC2H104AT | HO Scale

    2 reviews

    4 in stock

    HO-scale, 4-function decoder that measures 74 x 17 x 3mm designed to replace the existing manufacturer light board in Atlas HO diesel models, some InterMountain Railway models, and those using a similar physical design. This decoder will operate in both DC and DCC. Dimensions: 74 x 17 x 3mm Max. Motor Stall Current: 1A Max. Function Current: 100mA (each output) Function Outputs: 4 DCC Track Voltage: 21 Volts Maximum

    4 in stock

    $23.16

  • SoundTraxx 829100 | Tsunami SoundCar Digital Sound Decoder - Squeaky's Trains SoundTraxx 829100 | Tsunami SoundCar Digital Sound Decoder - Squeaky's Trains

    SoundTraxx SoundTraxx 829100 | Tsunami SoundCar Digital Sound Decoder

    1 review

    2 in stock

    Your train is no longer limited to locomotive sounds! This 16-bit, universal-style Digital Sound Decoder is the only DCC decoder to replicate railcar sounds and lighting effects. It includes selections for livestock sounds, airhorns, whistles, bells, and interior and exterior lighting effects for passenger cars, cab cars, and cabooses. Product Specifications: Dimensions: 48 x 13.5 x 9mmFunction Outputs: 4Max Function Current: 100mA (each output)Audio Amplifier: 1W, 8 Ohm loadMax Track Voltage: 27VSound Channels: 8 It is important to choose a capable speaker to use with these decoders. Below you will find a list of speakers that are compatible with the Tsunami SoundCar Digital Sound Decoder. 810053 20mm Round Speaker 810054 28mm Round Speaker 810089 15mm Round Speaker 810114 30mm Round Speaker  810153 28mm Round Speaker 810078 40 x 28.5mm Oval Speaker  810103 40 x 20mm Oval Speaker 810112 25 x 14mm Oval Speaker  810113 35 x 16mm Oval Speaker 810115 35 x 20mm Oval Speaker  810154 15 x 12 x 11.5mm Mini Cube 810155 *13 x 9 x 8.5mm Mini Cube2  810129 23mm Square Mega Bass Speaker 810130 27mm Round Mega Bass Speaker  810131 28mm Square Mega Bass Speaker * Note: When wiring multiple Mini Cube 2 speakers, P.N. 810155, use parallel format to decrease impedance and increase overall volume.

    2 in stock

    $51.16

  • Digitrax SDH167D | Series 7 Sound Decoder | HO Scale - Squeaky's Trains

    Digitrax Digitrax SDH167D | Series 7 Sound Decoder | HO Scale

    3 reviews

    5 in stock

    The Digitrax SDH167D is a powerful and versatile sound decoder designed for HO scale model trains. With advanced features such as Series 7 sound technology, this decoder delivers high-quality sound effects and enhances your model railroad experience. Easy to install and compatible with most DCC systems. 2 CV-Selectable Steam & Diesel Sound Schemes Included Mobile Decoder with SoundFX v3 Fits many HO locomotives Digitrax 9-Pin Harness Motor 1.0 Amp/2 Amps Peak 6 FX3 Functions, 200ma Output New sound .spjs loadable with Digitrax USB programmer 10-Pin sound harness with 8 Ohm 16 x 26 x 9mm Box Speaker 300uF Capacitor More Information Item # SDH167D Brand Digitrax Scale HO Scale MSRP 49.00 TCA Grading C-10 Mint - Brand New Availability In-Stock/Restockable Manuals Instruction Sheet

    5 in stock

    $39.20

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

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

    3 reviews

    3 in 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

    3 in stock

    $98.36

© 2025 Squeaky's Trains & Things, Powered by Shopify

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa

    Login

    Forgot your password?

    Don't have an account yet?
    Create account