Im stuck of what amp to buy 1st is the jl 1000/1 use bout $350...2nd sundown 1500d brand new $519 and rd3259.1 use $300..never heard bout the rd amp before..anyways i want power but not too hard on the charging system cause im only gonna have 0 gauge all around big3 and a front battery.lmk which is the powerful n hungry one out of all.lmk what yall think..thks