In all honesty, you can't lay this on the Blue shirt. Any, and I mean ANY "real" receier is compatible with that Energy system in that it expects the industry standard line-level LFE output delivered vis RCA jacks. It's not his fault that you have perhaps one of the cheapest HTIB systems ever made that's designed to work only with the cheap-arse speakers it's supplied with. What you have is little more than a table radio.
But, you could always use only one pair of speaker terminals on the energy sub. Then, everybody appy, right?