WOW101 Diesel EMD Sound Decoder for Model Trains - Realistic Train Sound Effects for HO Scale & O Scale Layouts - Perfect for Railroad Enthusiasts & Collectors

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 any T-Series harness, and also includes an auxiliary harness for attaching your speaker, AUX input, Keep Alive, and for the additional lighting functions (F3 and F4).