TCS 1533 | WOW101-KA Diesel Sound Decoder - 9-Pin DCC w/ Keep-Alive | HO Scale

The TCS WOW101 is a universal WOWSound decoder for HO locomotives with a 9-pin JST plug, or any loco that can't accept a motherboard or WOWKit. It plugs straight into a 9-pin socket or hard-wires in, works with TCS T-Series harnesses, and includes an auxiliary harness for your speaker, CAM, and Keep-Alive connections. This is the Diesel version with TCS's selectable prime-mover sound sets — choose between EMD, Alco, Baldwin/others, and GE engine sounds to match your prototype. 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. Selectable TCS's selectable prime-mover sound sets choose between EMD, Alco, Baldwin/others, and GE engine sounds to match your prototype. 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. Plugs into a 9-pin JST socket or hard-wires in; compatible with TCS T-Series harnesses. On-board Keep-Alive® for stutter-free operation over dirty track. More Information Brand Train Control Systems (TCS) Item Number 1533 Decoder WOW101-KA Type WOWSound DCC Sound Decoder Sound Diesel Connection 9-pin JST plug or hard-wire (T-Series harness compatible) On-board Keep-Alive Yes Scale HO Scale Condition New FAQ Will this decoder fit my locomotive? The WOW101 suits any HO loco with a 9-pin JST plug or one you can hard-wire. It is compatible with TCS T-Series plug-and-play harnesses for many popular 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.