Quote Originally Posted by KRAK View Post
So let me ask this then, 1 pair of XM9's or 2 pairs of XM7's?

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That would depend on your objectives.
Two pair of XM7s would give you more peak output. Keep in mind that you are now developing a little more than a 50 percent power increase in addition to the obvious increase in the collective surface area with a second pair. More quantity of the same speaker increases output but has a minimal impact on the speaker characteristics.
The XM9 will have deeper midbass extension and a warmer balance to begin with.
So based on my personal objectives, and given the choice between just these two options, I would go with a single pair of the larger XM9s.

Earmark Marine