Decoders and Accessories

This MRC N-gauge Drop-In provides the easy installation of a one piece sound decoder/speaker combination that replaces the factory installed printed circuit board for Kato SD70MAC and AC4400, by simply removing the factory pc board and dropping in the...

Ships with multi project sound scheme including GP38 diesel (default), GE Evolution diesel, SD70 diesel, GP10 diesel, RS1 diesel, C420 diesel, Steam type 1 (based on UP3985) and Steam type 2 (based on K27).  Simply select the sound scheme for the...

Fits Kato, Athearn Genesis, Stewart, other HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 26x16x9 mm box speaker w/330uF Capacitor

A full featured, 4 function, 3.5" (88.9mm) harnessed decoder with a built in Keep-Alive™. The built-in Keep-Alive™ will keep your locomotive operating for 6-15 seconds without power (dirty track, bad contact, etc. etc.). Included is our auto-adjusting...

The DS64 Stationary Decoder allows you to install and operate your turnouts directly through any DCC system that has turnout control.  The DS64 works with a wide selection of hardware. From solenoid turnout machines to slow motion motors, the DS64...

Board replacement SoundFX®/motor/FX3 function decoder for N Scale Atlas SD50/60 dieselsBoard replacement decoder for N Scale Atlas SD50/60 dieselsPreloaded with our SD50/60 sound scheme4 FX3 FunctionsVisit Digitrax Sound Depot to learn how to customize...

Board replacement SoundFX®/Motor/FX3 function decoder for N Scale Kato P42, E8, PA1, F40 and similar locosBoard replacement decoder for N Scale Kato P42, E8, PA1, F40 and similar locoPreloaded with a Dual E8/F40 diesel scheme4 FX3 FunctionsVisiti...

Board replacement SoundFX®/Motor/FX3Function decoder for N Scale Kato SD40-2 and similar locos    Board replacement decoder for N Scale Kato    SD40-2 and similar locos    Preloaded with a Dual...

Fits many Kato HO legacy locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 26x16x9 mm box speaker w/330uF Capacitor

Fits Kato AC4400 or compatible HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 28 mm round speaker w/330uF Capacitor

Fits Kato SD38-2 or compatible HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 28 mm round speaker w/330uF Capacitor

Fits Kato FP40-PH or compatible HO locomotivesDrop-in light board replacement1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma Output8 Ohm 28 mm round speaker w/330uF Capacitor