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.
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