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<blockquote data-quote="keep_hope_alive" data-source="post: 7488576" data-attributes="member: 576029">adding more power will worsen the problem.&nbsp; adding more batteries won&#039;t as much as you need.you need a larger alternator, #1.&nbsp; you need to keep the batteries charged, every day.&nbsp; the alt charges the batteries and keeps voltage up.#2 you need to do the big 3.&nbsp; there is a sticky on it and it&#039;s all over the web.&nbsp; plenty of info if you look.#3 you need to pitch the stock battery and get a good main battery.one or two more batteries back by the amp only help after the items above are done.those items alone will more than halve your budget.&nbsp; $160-200 per battery then $200-300 for the alternator (buy the biggest one your little car can fit and it still won&#039;t be enough for 4kW).&nbsp; but you won&#039;t get 4kW out of an amp rated for 4kW since you can&#039;t/won&#039;t maintain adequate voltage anyway.after you&#039;ve upgraded your electrical, take what you have left and get an amp you want.if you have it wired for 2 ohms mono, you can&#039;t just rewire for 1 ohm mono.&nbsp; you need to know what impedance your sub coils are.&nbsp; remove them from the box and look at the magnet - it will say what they are.&nbsp; then verify how you have them wired and tell us.&nbsp; two subs wired for 2 ohms are either 2 ohm DVC or 4 ohm SVC. from the mfr website, you have 2 ohm DVC subs.&nbsp; you can wire each one to 1 ohm, but once you combine them you have either 0.5 ohms or 2 ohms.may be easier/cheaper to get two amps rated 2kW at 1 ohm.look in the classifieds section for deals on gear.&nbsp; there are only a handful of 4kW amps to choose from.</blockquote>

[QUOTE="keep_hope_alive, post: 7488576, member: 576029"] adding more power will worsen the problem. adding more batteries won't as much as you need. you need a larger alternator, #1. you need to keep the batteries charged, every day. the alt charges the batteries and keeps voltage up. #2 you need to do the big 3. there is a sticky on it and it's all over the web. plenty of info if you look. #3 you need to pitch the stock battery and get a good main battery. one or two more batteries back by the amp only help after the items above are done. those items alone will more than halve your budget. $160-200 per battery then $200-300 for the alternator (buy the biggest one your little car can fit and it still won't be enough for 4kW). but you won't get 4kW out of an amp rated for 4kW since you can't/won't maintain adequate voltage anyway. after you've upgraded your electrical, take what you have left and get an amp you want. if you have it wired for 2 ohms mono, you can't just rewire for 1 ohm mono. you need to know what impedance your sub coils are. remove them from the box and look at the magnet - it will say what they are. then verify how you have them wired and tell us. two subs wired for 2 ohms are either 2 ohm DVC or 4 ohm SVC. from the mfr website, you have 2 ohm DVC subs. you can wire each one to 1 ohm, but once you combine them you have either 0.5 ohms or 2 ohms. may be easier/cheaper to get two amps rated 2kW at 1 ohm. look in the classifieds section for deals on gear. there are only a handful of 4kW amps to choose from. [/QUOTE]

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