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      07-26-2012, 05:12 PM   #11
Major General

Drives: 2006 BMW 325i
Join Date: Oct 2010
Location: United States

iTrader: (8)

Originally Posted by cage911
At the moment, I am running L7 subs and mids from stereo. The stereo has direct sub drive which I used to run the underseat sub. Definitely a marked improvement over the standard stereo.
So you originally had logic 7? I don't see how that would be an improvement at all. Considering the logic 7 amp has more power. If you actually have logic 7 you should add an amp. The sq will be better also the stock logic 7 speakers are 2 ohm, and most if not all aftermarket head units are only 4 ohm stable. Also are the underseats wired to one channel? If they are, and they are wired in parallel that would also be a 2 ohm load.