Digitrax HO SFX064D SoundFX(TM) Add-On Decoder - 6 Functions, Wired 31mm x 16.7mm x 6.3mm

Wired mobile decoders with SoundFX and accessory type functions for most HO scale locomotives. Preloaded with selectable steam and diesel sound schemes. Decoders include 28mm Speaker & 330uF capacitor. Please Note: The SFX064D and SFX0416 have no motor functions and are designed to be used in conjunction with a standard mobile decoder such as a DH123D etc.