I have some questions. im buying a pioneer champion series pro 3500 watt max 100rms. its a 2 ohm each voice coil? positive with positive and negative with negative? and if I decide to buy another one do I have to change how they both are wired? would it be (a negative and positive together and the negative from one voice coil to the amp and the positive from the other voice coil to the amp? again these will be 2 ohm. so for now I will power that 1000 rms sub with a Memphis 500.1 or I also have a one ohm stable autotek 1500 mono block amp. which one is best for my appicatins?