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-   -   How to hook up a box or amp to current HK system??? (http://forum.e46fanatics.com/showthread.php?t=28452)

PCDawg 09-13-2002 10:06 AM

How to hook up a box or amp to current HK system???
I want to try out my friend's custom sub-box......how do i connect it.....what i mean is that is it a RCA jack from the head-unit or just a speaker line near the back???

Just a stupid question from an audio newbie :tongue:

djabaley 09-13-2002 11:49 AM

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.

PCDawg 09-13-2002 12:25 PM


My friend has a system in his car and i was wondering if its easy to place it into my car so that i can see if there's a BIG difference.....i'll grab the system that's hooked up with the speaker lines and see if that works.......

Thanks for the advice!! :thumbup:

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