Train Control Systems 1740 WDK-BOW-3 WOW KIT DDC SND \n \nThis WDK-BOW-3 WOWKit is a DCC sound total conversion solution which includes all of the components necessary to convert your engine to WOWSound with a Keep-Alive™.⁣ Purchasing these various items in a single kit not only provides an economical solution it also gives you the assurance that you'll have everything you need for your install.This WOWKit makes for a simple and easy installation so organized and clean it makes everyone look like a professional! Each WOWKit has beautiful installation pictures on our website which will guide you confidently through the installation process. ⁣ \n \n \nIncluded in this WOWKit: \n \n1x WOW121-Diesel Decoder \n1x KA4 Keep-Alive™ Device \n1x INT-SH1 WOWSpeaker Housing \n1x 35mm x 16mm WOWSpeaker \n1x 2-Pin JST Speaker Connector \n \n \nThis kit fits the following Bowser HO-Scale Locomotives: \n \nC636 \nMore locomotives being added to this list as they are confirmed.