ok so heres the deal...im looking into buying 2 orion hcca 15ds and running them off of the orion xtreme 1400.2 amp at 700x2 @ 2ohms. im going to be installing it my self. im new at car audio so please feel free to suggest any changes in the system. anyway im not real shure on how to set the ohms.....if anyone can help me it would be nice...thanks alot...