How to Upgrade and Install DCC and Sound into an Athearn Genesis HO SD70ACe - Tsunami2

In this tutorial we cover how to install DCC and sound into a sound ready Athearn Genesis HO SD70ACe locomotive. We will be installing the speaker and a 21 pin decoder. For the decoder we went with the Soundtraxx Tsunami2, and a 28mm round speaker. I will take you through the full install and initial programming on this locomotive. I hope you all find it helpful!