well i just go two ma audio d4s(15s)and iam trying to find a cheap amp(200 bucks).i want to run the subs at abot 600-800 watts rms each...now my buddy has a diomond audio d5 1200.1 for sale.he wants 175 for it.if iam not able to get this amp.what elese should i get.....i will be running them in 1ohms...thanks