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<blockquote data-quote="Alpineforever" data-source="post: 4438289" data-attributes="member: 585728">Subs don&#039;t demand anything, they take what they are given. The incoming signal and the gain setting on the amp will determine how much power the subs get.Your amp is probably going to thermal protection due to low voltage. If your running all of that on a stock setup you should definitely consider the Big 3 as an option and maybe a new battery/2nd battery.1500 watts is gonna be a drain on any stock system, even with proper gain setting.Lets assume 80 percent efficiency, at 12 volts... That&#039;s still a 156 amp draw. More than most stock systems and batteries can supply. However, I don&#039;t know what your stock electrical is, so the best way to see how much is enough is to do it methodically.1. Do Big 3 first2. if that wasn&#039;t enough then do the battery3. If thats not enough upgrade stock alternator (you&#039;ll be more than fine stopping at step 2 with that kind of amp)</blockquote>

[QUOTE="Alpineforever, post: 4438289, member: 585728"] Subs don't demand anything, they take what they are given. The incoming signal and the gain setting on the amp will determine how much power the subs get. Your amp is probably going to thermal protection due to low voltage. If your running all of that on a stock setup you should definitely consider the Big 3 as an option and maybe a new battery/2nd battery. 1500 watts is gonna be a drain on any stock system, even with proper gain setting. Lets assume 80 percent efficiency, at 12 volts... That's still a 156 amp draw. More than most stock systems and batteries can supply. However, I don't know what your stock electrical is, so the best way to see how much is enough is to do it methodically. 1. Do Big 3 first 2. if that wasn't enough then do the battery 3. If thats not enough upgrade stock alternator (you'll be more than fine stopping at step 2 with that kind of amp) [/QUOTE]

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