I have a two door 72 impala...Ok I have questions on amps to get and proper way to hook the wires up on my mids and highs. I'm trying to keep it to two amps or one if possible. I will have 4 6" selenium 6w4p in each door 100/200 watt 8 ohm each. Then in dash I have 2 6" selenium 6w4p also with...