Sundown X 12 in a 98 Honda Civic

98 Honda civic hx stock alternator, cheap battery (soon to be an optima yellow top up front and a kinetic in the back), sky high 1, 0 cable (big three and runs), Kenwood deck, alpine mrxm100 monoblock amp, sundown audio x12 d4, box; 2. 5 ft3 tuned 28hz after sub displacement, infinity in the doors and