Sound DecodersThese products are retired, and are no longer available.
Wired Mobile Decoder with SoundFX can be installed in almost any HO Locomotive
Plug 'N Play SoundFX/Motor/FX3 Function Decoder
Digitrax Soundbug ready decoders give you the flexibility to choose when to add sound to your locomotives. Originally produced as a plug n'play add on for DH165xx series board replacement decoders, Sound Bugs can be used to add sound to any decoder. Decoders that do not have sound bug sockets, will have to be wired.
Wired SoundFX decoder for most HO Locomotives. Preloaded with selectable steam and diesel sound schemes.
Plug ‘N Play for Kato AC4400 HO Locomotives Preloaded with AC4400 Sound Scheme. This unit was also sold as a stand alone SDH104K1A without the function features of the FN04. Retired in 2010 These units are no longer repairable as of 01/08/2013
Board Replacement SoundFX decoder for Kato SD38-2 HO Locomotives Preloaded with SD38-2 Sound Scheme. This unit was also sold as a stand alone SDH104K1B without the function features of the FN04. Retired in 2010
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