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    knei's Avatar
    knei Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 27, 2006, 11:58 AM
    Car amp/subwoofer power questions
    I have a Sony Xplode 1200W 12" subwoofer powered by a Rockford Fosgate
    900W amplifier. I recently moved these components from a Mits. Eclipse
    to a BMW Z4. The subwoofer is barely working in the Z4 and the
    installers say it's because the power output from the factory Z4 stereo
    isn't as strong as the power output from the factory Eclipse stereo.
    Could this be true? I thought that's what the amp was for. The
    installers have suggested I spend another $60-80 on a "line driver" to
    Help this problem. Does this sound right? Thanks for any help!
    Morrowrj's Avatar
    Morrowrj Posts: 345, Reputation: 22
    Full Member
    		  
    #2

    Dec 27, 2006, 04:25 PM
    Did you check your gain adjust on the Rockford ? It is possible the line levels are different between the two units,. but it shouldn't be that drastic. I assume you are rca out on each, yes ?
    s2tp's Avatar
    s2tp Posts: 299, Reputation: 61
    Full Member
    		  
    #3

    Dec 27, 2006, 04:29 PM
    I am not an expert by any means, but I had a similar problem with my Memphis 12's and amp, I paid like $40-$60 (dont remember it was 4+ years ago) on a linedriver and it has helped me control the power a lot better than just the gain control...

    Good Luck
    Mammoth22's Avatar
    Mammoth22 Posts: 1, Reputation: 0
    New Member
    		  
    #4

    Feb 2, 2007, 03:27 PM
    Haha, you bought sony xplodes, are you retarded? You must want to waste your money...
    gameguru1360's Avatar
    gameguru1360 Posts: 19, Reputation: 0
    New Member
    		  
    #5

    Mar 23, 2007, 03:36 PM
    Does the z4's factory stereo have rca outputs?
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