N scale DCC Sound Decoders drop in For Atlas GP9 GP 30 GP35

DCC Sound Decoder drop in for Atlas N scale such as GP38

N scale DCC Sound Decoder /w speaker drop in For Kato F Unit

DCC Sound Decoder/Cubic Speaker for Kato N scale such as SD70, AC4400

N scale DCC Sound Decoder/Cubic Speaker drop in Kato SD80 and more

N scale DCC Sound Decoder Diesel drop in Kato SD40, SD45, Athearn SD70 and more

DCC Sound Decoder drop in Kato N scale SD40-2 and more

DCC Sound Decoder/Cubic Speaker for Kato N scale such as SD80 and more