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

N scale DCC Sound Decoder /w Cubic Speaker

N Scale Universal DCC Diesel Sound Decoder with speaker

N scale DCC sound decoder for Model Power N Scale Steam

TCS 1318 K1D4 Used Drop In DCC Decoder For Certain Kato N Scale Locos

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

LokSound ESU DCC & Sound Decoder

DCC Sound Decoder drop in for Kato N scale GE-P42, E8/E9