i just got a diamond d3 15" for my olds cutlass. the amp i have powering it is a bmw nitro 1200 2 channel. anywayz what i need to ask is since the sub is a dual 4 ohm can i run a sepreat channel to each coil?? because it isnt geting hardly no power but my d3 12"s hit hard *** hell on the same amp
