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  1. What makes a Subwoofer good?

    General Car Audio Discussion
    I know to look at things like rms power,xmax,ext. but are there SPECIFIC things you should be looking for in a sub when you are comparing them, such as 1.what size (diameter) vc 2.what is the vc made of 3. the BL of a woofer iver seen alot of people mention these questions but no gives a...