NCE 139 Decoder HO Scale Bach-DSL

BACH-DSL, Replacement Decoder f/Bachmann -DCC ON BOARD- Diesels This decoder is specifically designed as a replacement for -Bachmann DCC Equipped- diesels. Providing a more smooth, more quiet operation. The decoder has 4 function outputs. Complete with 2 Golden Glow LEDs in the package. These decoders are built to eliminate annoying motor hum and buzz at slow speeds.