Ok so im in the process of installing a new system in a truck of mine and need some info. I started looking into the active vs passive crossover argument and have decided that active is a far better way to go but would like to avoid having to use 2 amps if poss. Currently i have the memphis belle amp that runs 5 channels. 4x125 to the mids and 1x1100 to the sub. For mids i plan on going with the mm6501 and mm6901 and i have a new 2009 memphis mojo 12 dvc. I understand that with active you put the crossover before the amp but this confuses me. Crossovers do not have rca imputs so how can this work??? also i understand that with a 4 ch amp you can only run one component set ( 2 tweets and 2 mids) not all 4 speakers is this true or is their a way to run all the speakers with active crossovers and only my existing amp???? Hope this isnt too confusing and any imput is welcomed. also is all this just too much work to have active crossovers?? oh also for a head unit i have the new pioneer deh-p800prs and an old school audio control epicenter for the sub.