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Thread: lack of power

  1. #1

    Member Sales Rating: (0)

    Join Date
    Mar 2013

    Unhappy lack of power

    I have an Alpine head unit CDA9886M with 6 pre outs, using the one marked SW into a Polk PA D4000.4 bridged into 2 Polk MM1040 subs they are not very loud, I checked the polarity on the subs and tried every setting but, you can stand right next to them and talk to the person next to you...... any thoughts? at 400 watts to each bridged they sound way under powered.

  2. #2

    Member Sales Rating: (10)

    Join Date
    Jan 2003
    WA State


    Might want to post in the the "on the move" car audio forum below. You'll get much more response there...

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