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Old 09-13-2002, 11:49 AM   #2
djabaley
does anyone read my p0sts?
 
Join Date: May 2002
Location: Florida
Posts: 595
My Ride: 325 slushbox
The factory head unit does NOT have any RCA outs, just speaker lines. The type of signal the BMW head unit puts out differs from most. As such, you'll need a "line out" converter to interface w/ the aftermarket amp you'll most likely need to power your subs. Oh, that brings me to something out. You know you'll need a new amplifier to run those subs, right? The stock system has about 1/20th of the power you'll need to run aftermarket subwoofers. I suggest taking a trip to your local car stereo shop. Most are more than happy to temporarily hook-up an amplifier to whatever box you have so that they can sell you on the amp. What I'm trying to get at is that wiring these things is very complex; you can't just run speaker wires to the box and hope it works. Go to a local shop, you'll be glad you did.
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