HO Advanced DCC Steam Sound Decoder with 28mm baffled speaker

HO DCC Diesel Sound Decoder with Built-in speaker

HO DCC Drop In Diesel sound decoder with Built-in baffled speaker

HO DCC Diesel Sound Decoder with built in speaker

HO DCC/DC Steam Sound Decoder with wireless contol

N Scale Universal DCC Diesel Sound Decoder with speaker

Digitrax SDH167D Series 7 Sound Decoder HO Scale with Speaker New

HO Diesel Sound Decoder with speaker for drop in Athearn RS3