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I'm checking out a lot of reviews... But don't understand what's high, mid, low, etc...
And how much does dynamic mm driver factor in?
Or is it some number that only means something on paper?
M31 has 9mm
Sp51 has 10mm
Is that a lot of difference?
Last edited by AzNightmare; 05-24-2012 at 03:22 PM.
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