Soundtraxx 884808 TSU-21PNEM8 Tsunami2 Steam-2 [21 Pin DCC & Sound Decoder] TRX MUDBOSS It is configured as 8

It is configured as 8 normally open relays

but was fitted with a smaller and more reliable 4

Bowser 24773 HO ALCo C628 Diesel Lehigh Valley Cornell Red LV 630

Velineon® VXL-3s Brushless Power System

Soundtraxx 884808 TSU-21PNEM8 Tsunami2 Steam-2 [21 Pin DCC & Sound Decoder] TRX MUDBOSS It is configured as 8Soundtraxx 884808 TSU 21PNEM8 Tsunami2 Steam 2 21 Pin DCC & Sound Decoder A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. Soundtraxx proudly designs and manufactures industry best products right here in the USA. The TSU 21PNEM8 is a 1 amp Digital Sound Decoder with 8 function outputs. It is designed for easy plug in operation when mated to a 21 pin NEM