Digitrax Soundbug Module:

Plug N' Play with any 165 series decoder Have Smart Power Management - no more booster or programmer shutdowns! Can function as a standalone stationary trackside/under-layout sound decoder With fully customizable Digitrax SFX sound capability Includes 28mm 32 Ohm Speaker & 330uF Capacitor Comes with steam or EMD SD38-2 sound files; other sound files (projects) are downloadable at digitrax.com for customizing sounds to fit your favorite loco.

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