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Message: <blockquote data-quote="abdulwq" data-source="post: 4972972" data-attributes="member: 578725"><p>sorry you are mistaken the alpine amp MRV 1507 is a two channel amp and it has tons of power 900rms at 4ohm but you know how to use it coz crossovers on top is difficult to use.I recommend you to first change wire to 0guage and big 3 then see the diff.another thing u should check how you wired your subs the alpine amp would not run on 1ohl or it cuts out at 2ohms.adding battery would never help in long run coz ur alt charges the batt when car running which is 90 ampere by which u r not able to fully charge those batts so useless to put batt.add an alt 200amp and u would be very happy if not then add a battery.look at ebay for alt might be around 150$.one more thing when u buy amp buy only quality brand and always look at efficiency of amp if u are not competing.i hope it helps</p></blockquote><p></p>

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