Digitrax, SDXH187MT, HO Scale, DCC & Sound Board Replacement Decoder, Atlas GP38 & C420 1 Amp/2 Amps Peak

SDXH187MT SoundFXv3
Fits many HO locomotives
8 CV-Selectable Steam & Diesel Sound
Schemes Included
HO Scale
Mobile Decoder with SoundFX v3
21MTC interface
1.0 Amp/2 Amps Peak
8 FX3 Functions, 200ma Output

Features:
Digitrax SoundFXv3 Sound System
Your locomotives will sound in scale like the real thing with SoundFX v3
Customizable with 16, 12 or 8 bit .wav file sounds
Works with SoundFX 8 and 16 bit sound projects
Up to 6 simultaneous voices
Download sounds with a Digitrax Sound Programmer and SoundLoader II
16 megabit On Board Sound Memory
Cam input-synchronized steam-chuff option for steam locos
Scalable Speed Stabilization configured for sound operation
SoundFX v3 does not require an external CAM rate sensor to vary workload.
Smart Power Management- no more booster or programmer shutdowns!
Program CVs using any Digitrax Compatible Control system without having to buy any extra equipment.
21MTC interface plug for track, motor, sound and function control, allows
decoder to be moved between different locomotives.
Series 7 Enhanced Decoder Features.
Works with PX112-10 Power Extender, up to 15V maximum on track.
Digitrax FX3 Functions-Control lights and functions for prototypical lighting
effects and on/off control.
Configurable FX3 Pulse Function available on all function outputs.
Digitrax LocoMotion System Lets your trains run like the real thing!
2 Digit and 4 Digit Addressing.
Basic, Advanced & UniVersal Consisting.
SuperSonic motor drive for silent operation.
Direct and Operations Mode programming.
Decoder Reset by CV8, with or without speed table reset.
Transponder Equipped ready for transponding ID on your layout.
Power-on Motor Isolation Protection, helps prevent damage to your decoder.
DCC Compatible.
FCC Part 15, Class B RFI compliant.
Operates on DCC track voltage 9V minimum. to 18V maximum.