DCC Decoders

The TCS A6 is a six-function HO-scale "drop-in" DCC mobile decoder with an integrated 1.5V power supply, designed to replace the factory light board in many popular Atlas, Athearn, and Kato diesels. Examples include the Athearn F59PHI and F3; Atlas RS-1, RS-3, RS-11, C424, and GP7; and the Kato GP35. Browse more DCC Decoders and DCC Accessories, or shop the full Train Control Systems lineup. Features Six-function HO drop-in mobile decoder — replaces the factory light board on supported Atlas, Athearn, and Kato diesels. Integrated 1.5V power supply for running 1.5V bulbs directly. Back-EMF load compensation for superior slow-speed control under load. Quiet Drive super-quiet motor control for buzz-free running. No-solder installation on supported drop-in locomotives. More Information Brand Train Control Systems (TCS) Item Number 1001 (A6) Type DCC Mobile Decoder (drop-in) Functions 6 1.5V Supply Yes (integrated) Fits Many Atlas / Athearn / Kato HO diesels Scale HO Scale Condition New FAQ Will it fit my locomotive?The A6X drops into many Atlas, Athearn, and Kato HO diesels (for example Athearn F59PHI/F3; Atlas RS-1/RS-3/RS-11/C424/GP7; Kato GP35). Check the TCS drop-in chart for your exact model. Does it include sound?No — the A6X is a motor and function (mobile) decoder, not a sound decoder. For sound, see the TCS WOW series. A6X or A4X?Choose the A6 for up to six functions or the integrated 1.5V bulb supply; the A4X covers four-function installs.

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The Digitrax TL1 is a single-function DCC decoder with integrated transponding — perfect for adding a controllable function output (lights, smoke, or other accessory) to a non-decoder locomotive while also giving you Digitrax's position-tracking feature on the same board. At just 1.0" × 0.4" × 0.16", it fits in cabooses, passenger cars, lightboards, and even N-scale shells where space is tight. Looking for more DCC decoders and electronics? Browse our DCC Decoders and Electronics & Wiring collections. Features One DCC-controllable function output with full transponding (Digitrax position-tracking) built in — no separate transponder board needed. 1A continuous, 2A peak function output — plenty for headlights, marker lights, rear lights, smoke units, or other accessories. Hardwire install with color-coded leads (blue common, white function, red & black track) — works in HO, N, O, S, and G with appropriate wire gauge. Full CV programming including FX3 lighting effects (Mars, Gyralite, Strobe, Random Flicker, Soft On/Off, etc.). SuperSonic silent-running operation — no audible motor whine. Compatible with all DCC systems following NMRA standards. More Information Brand Digitrax Item Number TL1 Type Single function-output DCC decoder with transponding Function Outputs 1 (white) — 1A continuous / 2A peak Motor Output None — function-only decoder Transponding Integrated (no add-on board needed) Connection Hardwire — color-coded leads Size 1.0 × 0.4 × 0.16 in Scale Compatibility HO, N, O, S, G (any DCC scale) Condition New — sealed UPC 652667100052 FAQ What is "transponding"?Transponding is Digitrax's position-tracking technology — the TL1 reports its location back to your command station through compatible Digitrax detection sections, so you can see exactly where a transponding-equipped car or locomotive is on your layout. It's not the same as RailCom but serves a similar role. Does this drive a motor?No — the TL1 is a function-only decoder. It controls ONE output (typically a light or accessory). For motor control you need a full mobile decoder like the Digitrax DH126MT, DZ126, or any other mobile decoder. What can I wire to the function output?LEDs (with appropriate resistor), incandescent bulbs, smoke units, sound modules, ditch lights, mars lights, or any DC-powered accessory drawing under 1A continuous. FX3 effects let you simulate prototypical lighting patterns. Will it work with any DCC system?Yes — the TL1 follows NMRA DCC standards and runs on any DCC command station. Transponding readback, however, requires a Digitrax LocoNet system with appropriate detection sections (BDL168, BDL16, etc.).

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The Digitrax TF4 is a quad-function DCC decoder with integrated transponding — four independently controlled function outputs on one tiny board, plus Digitrax's position-tracking feature built right in. Perfect for adding ditch lights, mars lights, rear markers, classification lamps, smoke generators, or any other DCC-controlled accessory cluster to a non-decoder locomotive. Looking for more DCC decoders and electronics? Browse our DCC Decoders and Electronics & Wiring collections. Features Four independent DCC-controllable function outputs (white, yellow, green, purple) — control each one separately via your throttle. Integrated transponding — Digitrax position-tracking built in, no separate transponder board needed. 1A continuous, 2A peak combined function output — plenty for headlights, ditch lights, rear lights, smoke, or accessory clusters. Hardwire install with color-coded leads — works in HO, N, O, S, and G scale. Full CV programming including FX3 lighting effects (Mars, Gyralite, Strobe, Random Flicker, Soft On/Off, Rule 17, etc.) on every output. SuperSonic silent-running operation, NMRA DCC compatible. More Information Brand Digitrax Item Number TF4 Type Quad function-output DCC decoder with transponding Function Outputs 4 (white, yellow, green, purple) — 1A continuous combined Motor Output None — function-only decoder Transponding Integrated (no add-on board needed) Connection Hardwire — color-coded leads Scale Compatibility HO, N, O, S, G (any DCC scale) Condition New — sealed UPC 652667100083 FAQ What's the difference between the TF4 and the TL1?The TL1 has one function output; the TF4 has four. If you need to control multiple separate lighting circuits (headlight + ditch lights + class lamps + rear marker) the TF4 is the right call. Both have integrated transponding. Does this drive a motor?No — the TF4 is function-only. For motor + lights in one board, use a full mobile decoder like the Digitrax DH126 or DZ126. What can I wire to the function outputs?LEDs (with resistors), incandescent bulbs, smoke units, ditch lights, mars lights, signal lamps, sound modules — anything DC-driven under 1A combined draw. FX3 effects make each output simulate prototypical lighting patterns independently. Will it work with any DCC system?Yes — standard NMRA DCC. Transponding readback requires a Digitrax LocoNet command station with detection sections (BDL168, BDL16, etc.).

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The SoundTraxx 885603 is a BLU-1100 Blunami digital sound decoder with the ALCO sound set. Blunami is a Tsunami2 with a Bluetooth radio added, so it runs three ways: as a normal DCC decoder on any NMRA-compliant system, on plain DC, or in wireless mode straight from your phone or tablet. Wireless mode needs no command station and no programming track — an old DC power pack and the free Blunami app are enough, and CVs can be read and changed over Bluetooth while the locomotive is running. The app is free for iOS and Android. This version is the most compact decoder in the Blunami line — small enough for N scale, suited to N, HO and small S scale. Features 9 ALCO prime movers: ALCO 539 Turbo, ALCO 539 Non-Turbo, ALCO 244 Turbo, ALCO 251A i6, ALCO 251C v12, ALCO 251C v12 Super Charged, ALCO 251C v12 Century Series, ALCO 251C v16, ALCO 251C v16 Super Charged Over 40 air horns and 13 bells, plus air compressors, couplers and dynamos Bluetooth control from the free Blunami app (iOS and Android) — over 300 settings without editing a single CV by hand Dynamic Digital Exhaust (DDE) automatically matches exhaust volume and RPM to the load on the motor, and the app calibrates it for you Three braking types: independent, train and dynamic braking Hyperdrive2 motor control for smooth, creep-speed switching Over 20 Hyperlight lighting effects across 4 function outputs 16 polyphonic sound channels on a 32-bit processor, with a 7-band equalizer and adjustable reverb CurrentKeeper ready — works with the SoundTraxx 810140 CurrentKeeper More Information Item Number: SoundTraxx 885603 Model: BLU-1100 Blunami Sound Set: ALCO Diesel Scale: N, HO and small S scale Decoder Size: 31 x 10.5 x 5mm Connection: Hardwire (single wires) Max. Motor Stall Current: 1A Function Outputs: 4 Audio Amplifier: 1 Watt, 8-Ohm Load DCC Track Voltage: 7V – 22V Sound Channels: 16 polyphonic Processor: 32-bit, 28 functions Control Modes: DC, DCC and Bluetooth wireless Shop the full SoundTraxx range, compare every DCC decoder we stock, or see the other ALCO sound profile decoders. A speaker is not included — browse DCC speakers rated 1 watt or better, and find install parts in DCC wiring. Add a SoundTraxx 810140 CurrentKeeper to keep sound alive over dirty track and turnouts. FAQ Do I need a DCC system to use this?No. That is the point of Blunami. It runs on a plain DC power pack with no command station at all — you control it from the free Blunami app over Bluetooth. It is also a fully NMRA-compliant DCC decoder if you already run DCC. Does the app work on Android?Yes. The free Blunami app is published for both iOS and Android. (Some older listings and dealer pages still say iOS only — that is out of date.) Is a speaker included?No. Pair it with an 8-ohm speaker rated 1 watt or better that fits your shell. Which prime movers do I get?All 9 listed above, selectable in the app or via CV 123. You are not locked to one engine sound — pick whichever matches your prototype. Will it fit my locomotive?This one measures 31 x 10.5 x 5mm and connects by hardwire (single wires). Check the space in your shell against that footprint before ordering — other Blunami versions use different connectors and sizes.

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The Digitrax SFX007 adds prototype sound to almost anything on your layout. It is a sound only decoder with no motor control, so it works as a second decoder alongside the mobile decoder already in your locomotive, or on its own in rolling stock, inside a structure, or under the layout for stationary sound. Eight factory sound projects ship stacked on the decoder and you pick between them with CV60, so it is ready to run straight out of the package. An 8 ohm box speaker and a 330uF capacitor are included, and the Digitrax Easy Connect harness needs only two wires to the track. Smart Power Management keeps the decoder from tripping your booster or programmer during setup. Specifications Brand Digitrax Item Number SFX007 Decoder Type Sound only, no motor control Sound System Digitrax SoundFX v3+ Sound Memory 16 Megabit onboard Audio Up to 8 simultaneous voices, customizable 16, 12 or 8 bit Speaker Included 8 Ohm box speaker, 16 x 26 x 9 mm, 6 pin plug Capacitor 330uF, included Track Connection Digitrax Easy Connect harness, 2 wires Addressing 2 digit and 4 digit Programming Direct and Operations mode Scale All scales Compliance DCC compatible, FCC Part 15 Class B UPC 652667200653 Features Sound only design pairs with the non sound decoder already in a locomotive, so you keep the motor control you have and add sound on top. Eight factory stacked sound projects: AC4400CW, ATSF 3751, C-420, GP7, GP38-2, SD40-2, SD70MAC and UP3985. Diesel and steam are both covered. CV60 selects which of the eight projects is active. No programming track gymnastics and no download needed to switch. Reloadable with any SoundFX 8 bit or 16 bit project using the Digitrax Sound Programmer and the SoundLoader app. Compact enough to sit alongside an existing decoder in many locomotives. Use custom sounds to give rolling stock a voice, or to drive stationary and under layout sound. Smart Power Management stops the booster and programmer shutdowns that plague high draw sound decoders. Speaker and capacitor are in the package, so there is nothing else to buy to hear it run. Frequently Asked Questions Does the SFX007 control the motor?No. It is sound only. Keep the mobile decoder already in the locomotive for motor and lighting control, and let the SFX007 handle sound as a second decoder on the same address. Can I use it as an add on to a Series 5 decoder like the old SFX006?No. Digitrax states the SFX007 is not compatible as a Series 5 add on the way the SFX006 was. It installs as an independent second decoder instead. What scale is it for?All scales. The decoder and the included box speaker are sized to fit HO and larger comfortably, and the harness wiring suits O, S and G installs just as well. Do I need to buy a speaker?No. The 8 ohm 16 x 26 x 9 mm box speaker is included and plugs into the 6 pin connector, along with a 330uF capacitor. Can I change the sound later?Yes. CV60 switches between the eight projects already on board, and you can overwrite the decoder with any SoundFX project using the Digitrax Sound Programmer and SoundLoader. Will it work in rolling stock or a building?Yes. Digitrax builds this decoder for exactly that. Load a custom project and use it for a caboose, a stock car, a sawmill, or any under layout sound scene. Explore More Browse the rest of the range at Squeaky's Trains & Things: Digitrax DCC Decoders DCC Speakers DCC Wiring DCC Control Systems DCC Accessories

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