I recently upgraded from my Pioneer VSXD-810S to a Pioneer Elite VSX-49TX. Yes, I know, quite an upgrade. The question I had, though, was on the back of the 49TX, there's two subwoofer pre-out jacks. Has anyone experimented with this? I know it's probably overkill, but hey, they wouldn't have added it if they didn't expect people to use it. I was curious as to hear any results of anyone trying this before I dropped the cash for another sub. I found nothing in the manual referring to the use of 2 subs, nor any special setup instructions on adding a second sub. For example, on page 73 of the manual when it goes over connecting additional amplifiers, it complete glosses over the entire idea and doesn't even mention it.