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<blockquote data-quote="trumpet" data-source="post: 8227119" data-attributes="member: 628688">A second battery and a capacitor present an additional load on your alternator. If the alternator is struggling with your amplifier it&#039;s not going to do any better with a capacitor or a battery.You have a second issue to consider. A capacitor is only going to provide power for a very brief time. The first big bass hit of a song is going to drain it, and if the song has continuous bass the capacitor is worthless until you pause the music or until there&#039;s a sufficient break for it to recharge.There are conditions in which a capacitor is useful, but for heavy bass listening, not so much. There&#039;s a different type of capacitor that is much more useful when used correctly, but that doesn&#039;t apply to this situation.Do the Big 3, use at MINIMUM 4 AWG OFC power and ground wire, and leave the capacitor out. 2 AWG wire is better, 1/0 AWG would be overkill but nice for the peace of mind and future power upgrades.</blockquote>

[QUOTE="trumpet, post: 8227119, member: 628688"] A second battery and a capacitor present an additional load on your alternator. If the alternator is struggling with your amplifier it's not going to do any better with a capacitor or a battery. You have a second issue to consider. A capacitor is only going to provide power for a very brief time. The first big bass hit of a song is going to drain it, and if the song has continuous bass the capacitor is worthless until you pause the music or until there's a sufficient break for it to recharge. There are conditions in which a capacitor is useful, but for heavy bass listening, not so much. There's a different type of capacitor that is much more useful when used correctly, but that doesn't apply to this situation. Do the Big 3, use at MINIMUM 4 AWG OFC power and ground wire, and leave the capacitor out. 2 AWG wire is better, 1/0 AWG would be overkill but nice for the peace of mind and future power upgrades. [/QUOTE]

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