Multiple Subs- do they need to match?

[Sir Terrence the Terrible]

No wonder you never listen to anybody.
YOU'RE DEAF.

I don't listen to people who do not know what they are talking about(much like yourself), and I wouldn't do so even if I didn't have subs at all. Besides, you don't go deaf listening to frequencies under 80hz, it is extended exposure to high and mid frequencies that does that. Our ears are not that sensitive at 80hz and below(where my subs operate) as they are at 1-4khz. That's science, not some crap you pull from your bum.