I see that the sound system for the new On30 Heisler will be sold separately. I wonder if the new board can be placed in the older DCC ready Climax. The synchronization should be close enough. Does anyone know if that is possible?  I never bought the PNP Soundtraxx board for the Climax when they were available. In some ways, I'm glad I didn't because this system might be better since its a generation newer.  Thanks.