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      01-18-2012, 05:44 PM   #7
kaigoss69
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Drives: '08 335i
Join Date: Jul 2008
Location: JAX

iTrader: (5)

OK, so when you bi-amp (which is what you need to do in our set-up) the Front 1 are the front door mids/highs and the Front 2 are the underseats. The lowest possible HPF for the Front 1s is 200Hz. This means you need to "meet" the door mids/highs with a matching 200Hz LPF on the underseats. You cannot play the door speakers lower than 200Hz.
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