Decoders and Accessories

The WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any locomotive with a 9-pin JST plug. The WOW101 is compatible with...

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...

Our NEW 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...

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...

Our NEW 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...

Our NEW 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...

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...

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...

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...

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...

Our NEW 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...

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...

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...

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...

Our NEW 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...

Fully connectorized installation.Optional support for DCC 9-Aspect control mode, including Lunars.Easy setup with Option Switches and LocoNet programming.Configurable for four solenoid or four slow-motion turnout control.8 Input lines for local control...

Add DCC with CD-quality 16-bit 44,100Hz TCS WOWSound® to your DCC Sound-ready ACS-64, as included in the Amtrak® City Sprinter train set. Not required for current separate-sale ACS-64 models, which are factory DCC/sound-equipped. 

The PR4 makes decoder programming and interfacing your layout and computer easier than ever. The PR4 seamlessly switches between computer interface and decoder programming modes automatically without having to press any buttons. The PR4 is electrically...

NCE DCC  #165 Illuminator - 5 Pack DCC Decoder compatible with Woodland Scenics Just Plug System products and other lighting accessories with built in resistors. Features of this decoder: • Works with DCC or DC (limited...

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3For for Kato 4-8-4 FEF-3 and similarDrop-in light board replacement1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma Output8 Ohm 9x18x4 mm oval speaker100uF Capacitor

The full featured, 8 function, hard-wire, G-Scale decoder is tough enough to provide power for large engines, yet capable of creeping at ultra-slow speed due to the excellent TCS auto-adjusting BEMF. The G8 will have your locomotive running like the real...

This 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.Learn More about Tsunami2...

Fits many Atlas N locomotivesMobile Decoder with SoundFX8 Ohm 9x18x4 mm oval speaker1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma output

Fits several Atlas N locomotivesMobile Decoder with SoundFX8 Ohm 9x18x4 mm oval speaker1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma output

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3For Kato SD40-2 and similarDrop-in light board replacement1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma Output8 Ohm 9x18x4 mm oval speaker100uF Capacitor

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3For Kato SD80 MAC and similar1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma Output8 Ohm 9x18x4 mm oval speaker100uF Capacitor

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3For Kato N P42 and similar1.0 Amp/2 Amps Peak6 FX3 Functions, 200ma Output8 Ohm 13mm round Speaker100uF Capacitor

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits many larger locomotives4 Amp/5 Amps Peak8 FX3 Functions, 300ma Output8 Ω Box Speaker330uF CapacitorNew sound .spjs loadable with Digitrax USB programmer

The #11130 Servo Controller adds servo control to DCC, AirWire, Bluetooth, or other locomotive control decoders with auxiliary/function output. Allows control of Kadee® RC Remote Couplers (factory programmed), turnouts, crossing gates, semaphores,...

This 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.Learn More about Tsunami2...

Quad switch decoder for Solenoid or Slow-motion turnouts.Configurable for Capacitive Discharge with balky solenoids.Configurable for on/off control of 8 layout lights.Plug and play wire connectorization.Works with compatible LocoNet Systems.Stabilized...

Eight 9G servo decoder for 2-position Slow-motion turnouts.Configurable to control eight 3-position semaphores.Works with compatible LocoNet Systems.Plug and play connections.Option setup switches for configuration.On-layout remote programmability via...

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits many HO locomotivesDigitrax Easy Connect 8 Pin HarnessMotor 1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma OutputNew sound .spjs loadable with Digitrax USB programmer8...

A full featured, 4 function, 3.5" (88.9mm) harnessed decoder with a built in Keep-Alive™. The built-in Keep-Alive™ will keep your locomotive operating for 6-15 seconds without power (dirty track, bad contact, etc. etc.). Included is our auto-adjusting...

Fits Kato AC4400 or compatible HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 28 mm round speaker w/330uF Capacitor

Fits Kato SD38-2 or compatible HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 28 mm round speaker w/330uF Capacitor

Fits Kato FP40-PH or compatible HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 28 mm round speaker w/330uF Capacitor

This decoder is a T6 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is physically larger than a T-series decoder, but features the...

Features:DG583S fits all large scale locos.Easy installation with screw terminals for all wire connections.Decoder Lock equippedSpecificationsCurrent Rating-Motor5.0 Amps (10.0 Amps Peak)Size1.45” x 2.23” (36.83mm x 56.64mm)InstallationScrew Terminal...

Features:DG583AR fits locos with AristoCraft DCC plug arrangement.Use with locos that have two motors per truck such as AristoCraft SD45.Decoder Lock equippedSpecifications:Current Rating-Motor 5.0 Amps (10.0 Amps Peak)Size 1.45” x 2.23” (36...

High-capacity wired Mobile decoderFits many larger locomotives4 Amp/5 Amps Peak8 FX3 Functions, 300ma Output

Fits E24 plug N locomotives and compatible unitsPlug-in E24 socketMotor drive at connector capacity13 FX7 Functions, 200mA capacity8 CV Selectable Steam & Diesel Sound Schemes Included

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits Atlas N FA-1 locomotive and othersPlug-in Next18 connectorMotor drive at connector capacity6 FX3 FunctionsNew sound .spjs loadable with Digitrax USB programmer

This decoder is a T4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is physically larger than a T-series decoder, but features the...

This decoder is a M4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is physically larger than a M-series decoder, but features the...

This hardwire decoder is the smallest decoder with built in Keep-Alive™ that we produce. It will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). While physically larger than a M-series...

This M4 decoder (see M4 for more information) comes connected to a 3.5" (8.89 cm) long harness which is terminated with a 8-Pin NMRA plug.

This M4 decoder (see M4 for more information) comes connected to a 3.5" (8.89 cm) long harness which is terminated with a 8-Pin NMRA plug rotated 180 degrees from the standard orientation. This allows the decoder to fit better in certain applications.

This M4 decoder (see M4 for more information) comes connected to a 5" (12.7 cm) long harness which is terminated with a 8-Pin NMRA plug.

This M4 decoder (see M4 for more information) comes connected to a 3.5" (8.89 cm) long harness which is terminated with a 8-Pin NMRA plug rotated 90 degrees from the standard orientation. This allows the decoder to accommodate the UK's narrow gauge...

This full featured BEMF decoder with 8 available functions is designed for the LifeLike Proto 2000 HO-Scale locomotives. This decoder has a built in voltage dropping circuit for the front and reverse light so there is no need for resistor use with...

8 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits many HO locomotives21MTC interfaceMotor 1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma OutputNew sound .spjs loadable with Digitrax USB programmer

Features:Wired Mobile Decoder with SoundFX® & FX3 Function for most HO and many N scale Locomotives.Preloaded with selectable generic steam and diesel sound schemesVisit Digitrax Sound Depot to learn how to customize the sound project that is...

Dimensions (L x W x H): .51” x 0.27” x 0.11” or 12.95mm x 6.9mm x 2.79mmScale: Z ScaleContinuous/Peak: 1.0/2.0 AmpTotal Functions: 2Function Rating: 60 mA12V Outputs: 2This full featured 2 function BEMF decoder is designed specifically to meet the needs...

This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. The EUN651P-18 is wired to a 18mm harness terminated in a 6-pin NEM plug. Back EMF Load Compensation: Provides...

This full featured 2 function BEMF decoder is designed specifically to meet the needs of Z and N-Scale modelers who are converting their Z and N-Scale locomotives to DCC. Included is our auto-adjusting BEMF for outstanding slow speed performance and...

This full featured 2 function BEMF decoder is designed specifically to meet the needs of Z and N-Scale modelers who are converting their Z and N-Scale locomotives to DCC. Included is our auto-adjusting BEMF for outstanding slow speed performance and...

This full featured 2 function BEMF decoder is designed specifically to meet the needs of Z and N-Scale modelers who are converting their Z and N-Scale locomotives to DCC. Included is our auto-adjusting BEMF for outstanding slow speed performance and...

This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. The EUN651P-30 is wired to a 30mm harness terminated in a 6-pin NEM plug. Back EMF Load Compensation: Provides...

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...

Features:DG383AR fits locos with AristoCraft DCC plug arrangement.Use with locos that have single motor per truck such as AristoCraft RS-3 & RDC.Decoder Lock equippedSpecificationsCurrent Rating-Motor3.0 Amps (5.0 Amps Peak)Size1.45” x 2.23” (36.83mm...

Everything you need to make LocoNet Cables for your layout: Crimper tool for cutting cables to length and attaching plugs to cable ends LT1 LocoNet Tester for testing cables prior to installation on layout 50’ LocoNet...

2 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits many HO locomotivesDigitrax Easy Connect 8 Pin HarnessMotor 1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma OutputNew sound .spjs loadable with Digitrax USB programmer8...

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This full featured BEMF decoder with 8 available functions is designed for the LifeLike Proto 2000 HO-Scale locomotives. This decoder has a built in voltage dropping circuit for the front and reverse light so there is no need for resistor use with...

This full featured 8 function BEMF decoder is designed for the HO Scale LifeLike Proto 2000 Series. Included is our auto-adjusting BEMF for outstanding slow speed performance and hassle free set up. Also includes Quiet Drive for super quiet engine...

The M4 is a small form factor hard-wire decoder with 4 lighting functions for HO and N scale installations. This decoder is designed for installations where space is limited. This decoder is also available with 8-pin NMRA plugs or Keep Alive® wires...

The CN-GP is a N-scale drop-in decoder for Atlas, Kato, and Life Like locomotives. Examples include the following: Atlas:GP7/GP9GP30/GP40/GP60 Kato:SD40 Life Like:GP18GP60 See the Installations Page for a full list of compatible...

American Z Line (Type 2) Drop-in 5-Function DecoderThe AZL2D5 is a drop-in decoder for American Z Line SD40-2 and SD40T-2 locomotives. See the Compatibility tab for a full list of compatible engines. Attaches with four screws to the frame, and has two...

KATO (Type 8) Drop-in 6-function N-scale DecoderThe K8D6 is a 6-function drop-in decoder for KATO N-scale locomotives. The K8D6-A features two super-bright LEDs on the TOP side of the board for directional ligthing. This decoder includes connections for...

KATO (Type 8) Drop-in 6-function N-scale DecoderThe K8D6 is a 6-function drop-in decoder for KATO N-scale locomotives. The K8D6-B features two super-bright LEDs on the BOTTOM side of the board for directional ligthing. This decoder includes connections...

The MP-15N is a N-scale drop-in decoder which is designed for the Atlas MP-15 locomotive. See the installation pages for a full list of compatible engines! Back EMF Load Compensation: Provides superior slow speed control and high performance...

The CN is a N-scale drop-in decoder for older Atlas, Kato, and Intermountain locomotives. Examples include the following: Atlas:GP7/GP9 Old StyleGP30/GP35 Old StyleSD35/SD50/SD60/SD60MB30-7/B40-8GP38GP40 DCC-ReadySD9...

The ASD4 is a N-scale drop-in decoder for Atlas locomotives. Examples include the following:Atlas:GP7/GP9GP15GP30GP35See the installation pages for a full list of compatible engines!Back EMF Load Compensation: Provides superior slow speed control and...

The K2D4 is a N-scale drop-in decoder designed for Kato and Walthers locomotives. Examples include the following: Kato:RS2/RSC2SD80/SD90MAC Walthers:RS2GP18 See the installation pages for a full list of compatible engines! Note: The...

This full featured 2 function BEMF decoder is designed specifically to meet the needs of Z and N-Scale modelers who are converting their Z and N-Scale locomotives to DCC. Included is our auto-adjusting BEMF for outstanding slow speed performance and...

The K1D4 is a N-scale drop-in decoder designed for Kato and Athearn locomotives. Examples include the following: Kato:SD70ACeSD40-2GG1 Athearn:SD75I See the Installation Pages for a full list of compatible engines! Note: This version...

The IMF4 is a N-scale drop-in decoder which is designed for InterMountain F-unit locomotives. Examples include the following: InterMountain:F3A/BF7A/BF9B See the installation pages for a full list of compatible engines! NOTE: This version...

The IMFP4 is a N-scale drop-in decoder which is designed for InterMountain FPA-unit locomotives. Examples include the following: InterMountain:FP7AFP9A See the installation pages for a full list of compatible engines! NOTE: This version of...

The IMFTA4 is a N-scale drop-in decoder which is specifically designed for InterMountain FTA locomotive. Back EMF Load Compensation: Provides superior slow speed control and high performance under load. Quiet Drive: Super-quiet motor control...

The IMFTB4 is a N-scale drop-in decoder which is specifically designed for InterMountain FTB locomotive. Back EMF Load Compensation: Provides superior slow speed control and high performance under load. Quiet Drive: Super-quiet motor control...

The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato:F3AF7A See the installation pages for a full list of compatible engines! Note: The K0D8 line of decoders are available with different lighting...

The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato:F40PH See the installation pages for a full list of compatible engines! Note: The K0D8 line of decoders are available with different lighting...

This M1 decoder (see M1 for more information) comes connected to a 3.5" (8.89 cm) long harness which is terminated with a 8-Pin NMRA plug rotated 180 degrees from the standard orientation. This allows the decoder to fit better in certain applications.

1388 M1P-5" 2-Function Hard-Wire Decoder for HO Scale Locomotives

This M1 decoder (see M1 for more information) comes connected to a 3.5" (8.89 cm) long harness which is terminated with a 8-Pin NMRA plug rotated 90 degrees from the standard orientation. This allows the decoder to accommodate the UK's narrow gauge...

The K4D6 is a N-scale drop-in decoder specifically designed to fit the Kato N-Scale MP36PH locomotive. This decoder is also commonly paired with the K4-LK lighting kit for the MP36PH. Note: The K4D6 does not have the copper tabs installed which slip...

The A6X is six function HO-scale "drop-in" style mobile decoder with integrated 1.5V power supply for Atlas, Athearn, Kato, etc. locomotives. Examples include the following:Athearn:F59PHIF3Atlas:RS-1/RS-3/RS-11C424GP7Kato:GP35 The A6X-KA includes...

The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato:ALCO PA-1E5AE6AE8AE9A See the Installation Pages for a full list of compatible engines! Note: The K0D8 line of decoders are available with...

This motherboard is designed to replace the existing circuit board in a Bachmann Light 4-8-2 (short tender) or the 2-8-0. This board provides an onboard Keep Alive® for uninterrupted performance over troublesome tracks. NOTE: This product does not...

The MT1500 is a N-scale drop-in decoder which was designed specifically to fit in the Micro-Trains Line SW1500 diesel switcher. The decoder features a built-in forward headlight, and support for one additional light function. Back EMF Load...

This full-featured, 4 function, drop-in decoder is designed to fit in American Z Lines modern diesel chassis. Some of the AZL locomotive it fits in includes: SD70, SD70M, SD75I, SD75M, GP9, GP38-2 and more. This decoder includes built-in forward and...

The IMF4-NF is a N-scale drop-in decoder which is designed for InterMountain F-unit locomotives. Examples include the following: InterMountain:F3A/BF7A/BF9B See the installation pages for a full list of compatible engines! NOTE: This...

The IMFP4-NF is a N-scale drop-in decoder which is designed for InterMountain FPA-unit locomotives. Examples include the following: InterMountain:FP7AFP9A See the installation pages for a full list of compatible engines! NOTE: This version...

The K6D4 decoder is specifically designed to operate the Kato N-Scale FEF-3 4-8-4 steam locomotive. Note: This decoder features a specialized motor control algorithm for use with the core-less motor used in the FEF-3. For use in other engines such...

The AZL1D4 is the first drop-in decoder designed for the latest generation of American Z Line diesel locomotives. The design features a screw-down design, unlike previous designs which relied on slide-on contacts. Examples of locomotives which this...

This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Created to fit the Intermountain ES44 as well as the Bowser S12, the IB-MB1 will fit a wide array of other locomotives. However, it will...

This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Created to fit the Intermountain SD40-2 as well as the Bowser C-636, the IB-MB2 will fit a wide array of other locomotives. However, it...

This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomotives. Created to fit the Intermountain ES44 as well as the Bowser S12, the IB-MB1 will fit a wide array of other locomotives. However, it...

This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomotives. Created to fit the Intermountain SD40-2 as well as the Bowser C-636, the IB-MB2 will fit a wide array of other locomotives...