So I've been wanting to upgrade for a little now, and was wondering the best way to go about it. I already understand the electrical upgrades I will have to make. So I'm just looking for the most cost effective way to get louder. Currently I have one American bass xrd2 running at 1400 before rise in a 2.25 net 35hz box. I have no idea what my numbers are, I just know I want louder