Yeah, more than likely. I'm headed into the same situation, I'll probably buy a new sub before my mains just to avoid that. Never know though, maybe that sub isn't so bad. Doesn't hurt to try it, if it seems to help the M80s keep it in place; if the M80s reach lower, toss it.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris