TCS 1600 | WOW501 Steam Sound Decoder - 5A Large-Scale DCC w/ Keep-Alive & Smoke Control | Large Scale

The TCS WOW501 is a universal 5-amp WOWSound decoder built for large-scale (O and G) locomotives, with Keep-Alive® on board for stutter-free running. Function outputs 5 and 6 can drive a coil-and-fan smoke unit, and setting CV58 to a value of 9 syncs the smoke to the chuff timing. This is the Steam version, delivering TCS's authentic steam sound set with synchronized chuff and a full suite of whistle, bell, and running effects. An on-board Keep-Alive® keeps it running smoothly across dirty track and dead frogs — no add-on capacitor needed. Pick a matching speaker from our DCC Accessories collection, browse more DCC Decoders, or shop the full Train Control Systems WOWSound lineup. Features CD-quality WOWSound — 16-bit audio at a 44.1 kHz sample rate. Authentic TCS's authentic steam sound set with synchronized chuff and a full suite of whistle, bell, and running effects. Back-EMF load compensation for superior slow-speed control under load. Quiet Drive super-quiet motor control for buzz-free running. Variable Momentum for custom acceleration and deceleration curves. Audio Assist® menu programming — set up sound and CVs right on the track, no computer required. Universal hard-wire decoder with a 5-amp output; F5/F6 can drive a coil-and-fan smoke unit. On-board Keep-Alive® for stutter-free operation over dirty track. More Information Brand Train Control Systems (TCS) Item Number 1600 Decoder WOW501 Type WOWSound DCC Sound Decoder Sound Steam Connection Universal hard-wire, 5 A output On-board Keep-Alive Yes Scale Large Scale (O / G) Condition New FAQ Will this decoder fit my locomotive? The WOW501 is built for large-scale (O and G) locomotives and is hard-wired; its 5-amp output handles the bigger motors found in large-scale models. Do I need a separate speaker? Yes — this is the decoder only. Add a WOWSpeaker (or any 8 Ω DCC speaker) sized for your locomotive to hear the sound. What is Audio Assist? It's TCS's on-the-fly programming menu that walks you through sound and CV setup using your throttle and the decoder's own spoken prompts — no programming track or computer needed.