Enjoy DCC diesel sound technology at a fraction of the cost of locos with built-in sound, The G gauge decoder package, complete with onboard speaker, can handle up to of 8 amps and deliver authentic sounds: diesel idle with diesel rumble, horn long, horn short, coupling and bell, FO-F2 functions, 2-Digit or 4-digit addressing, 14-28/128 Speed steps, as well as MRC Light Effects (ditch lights, strobe light, Rule 17 lighting), Works with all DCC systems, SKU: SPWS2940