Description
The Digitrax SDXH187A0 is a HO SoundFX v3 mobile sound decoder — 1.0A / 2A peak motor plus on-board sound. 2 CV-selectable sound schemes (steam + diesel) included.
Fitment: Kato, Athearn Genesis, Stewart, and other HO locomotives that use the same drop-in light-board form factor. Plug: Drop-in light-board replacement.
About SoundFX v3: Factory-loaded sound schemes; .spj projects re-loadable via PR4.
About Digitrax: Digitrax is the North-American DCC pioneer.
- Scale: HO
- Motor: 1.0A / 2A peak
- Function outputs: 8 × FX3 @ 200mA
- Speaker: 8Ω 16×26×9mm box (included)
- Audio capacitor: 330µF
- SKU: SDXH187A0
In stock at Oakville Model Trains Depot.

