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Message: <blockquote data-quote="cfox10" data-source="post: 8033704" data-attributes="member: 631530">A sub... any sub for that matter doesn't pull power from your electrical. Your amp pulls power.You have an alternator... it puts out a certain amount of power for the electrical in your car (charge battery, run a/c, run stereo, windows, lights, etc) and then you have the battery which is stored power. Your amp pulls power from your batter which in turn gets it from the alternator. Your sub gets the power from the amp. It will never draw power from the amp... the amp will give the sub power depending on how efficient your amp is, is what determines whether you need electrical upgrades or not.If you're looking for SPL and sound quality, you will likely want to put your money into a sub that will allow you to upgrade in the future. Purchase everything to make your electrical stout, look into a different sub and go from there.</blockquote>

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