DCCWiki, a community DCC encyclopedia.

Digitrax PR3 / PR3Xtra

The PR3 and PR3Xtra have been superseded by the PR4

See LocoNet Page.

The PR3, which has been superseded by the PR3 Xtra is a device that allows downloading of sound files to a Digitrax sound decoder, or reflashing the firmware on a sound decoder.

It also acts as an interface between LocoNet and a computer. It uses a USB 2.0 interface to a computer.


  • Digitrax SoundLoader compatible. Programs Digitrax sound projects in to SFX decoders
  • Windows XP, Vista, 2000, 7, and 8

It requires a programming track.

For better results, an 18V power supply is recommended.

Digitrax PR3 Webpage


Installation Instructions

Mac OS X 10.8: PR3 with OS X