I've got the hifonics brutus 2006d amp, and I've blown a number of subs. My bassworx 12.4's are under warranty and I've just replaced them. Now all of a sudden they dont pound half as hard as the old subs did. I've noticed the subs excursion is relatively the same, but my trunk doesn't even rattle [when before everything in my car rattled]

Please help, this no bass thing is getting to my head.

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