I HAVE A GOOD BOX WEIGHS A GRIP. BUT I ONLY HAVE A HIFONICS BRUTUS 1606D AMP.. I HAVE IT BRIDGED SO BOTH SUBS HIT. IT SO DAMN LOUD BUT I KNOW THE RMS ON THE SUB IS ATLEAST 1000 BECAUSE THE MAX WATTS IS 2000. SO WHAT AMP WOULD YOU RECOMMEND I USE?? I HAVE A PORTED BOX AT 80hz