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      09-04-2008, 02:07 PM   #24
Technic
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Drives: 2012 E92 M3, 2014 528i
Join Date: Apr 2005
Location: Ft Lauderdale, Florida

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Quote:
Originally Posted by ontopofm View Post
I followed Dr. Phuonger's method but instead of using Amp Interface Adapter I used the speaker level inputs that comes with the amp, oem sub wires by tapping into the oem amp, grounded to the bolt in the trunk just beneath the rear mirror, gain is about 1/4, bass eq is 0, LP filter is at 100, i have alpine mrp-m500
Have you tried setting the mrp-m500 gain to minimum and adjusting the bass EQ to taste? That could work...
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