Digitrax SDH187MT - 21 Pin, 8 Function Series 7 Sound Decoder - HO Scale

2 CV-Selectable Steam & Diesel Sound Schemes Included Mobile Decoder with SoundFX v3 Fits many HO locomotives Digitrax 9-Pin Harness Motor 1.0 Amp/2 Amps Peak 6 FX3 Functions, 200ma Output New...

8 CV-Selectable Steam & Diesel Sound Schemes Included Mobile Decoder with SoundFX v3 Fits many HO locomotives Digitrax 9-Pin Harness Motor 1.0 Amp/2 Amps Peak 6 FX3 Functions, 200ma Output New...

Fits many 8-pin Medium Socket DCC-Ready HO locomotives Digitrax 9-Pin Socket and PS-Harness 1.0 Amp/2 Amps Peak 8 FX7 Functions, 300ma Output

Fits many HO locomotives Digitrax 9-Pin Harness Socket 1.0 Amp/2 Amps Peak 8 FX7 Functions, 300ma Output

Fits many 8-pin Medium Socket DCC-Ready HO locomotives Digitrax 9-Pin Socket and P-Harness 1.0 Amp/2 Amps Peak 8 FX7 Functions, 300ma Output

8 CV-Selectable Steam & Diesel Sound Schemes Included Mobile Decoder with SoundFX v3 Fits many HO locomotives 21MTC interface/21 PIN Motor 1.0 Amp/2 Amps Peak 8 FX3 Functions, 200ma Output New...

2 CV-Selectable Steam & Diesel Sound Schemes Included Mobile Decoder with SoundFX v3 Fits many HO locomotives Digitrax Easy Connect 8 Pin Harness Motor 1.0 Amp/2 Amps Peak 4 FX3 Functions, 200ma...

Fits many 21MT equipped HO locomotives Digitrax 21-pin MT socket 1.0 Amp/2 Amps Peak 2 FX7 Functions, 300ma Output