question or suggestions

  1. J

    Car Audio System Question/Suggestions?

    I am looking to replace my factory stereo with a component system and so 2 5x7 6x8 speakers 2 crossovers and 2 tweeters and also 2 more 5x7 6x8 speakers for the back doors. Will a four channel amp work for this set up? does the component system only use 2 channels and 2 back speakers use to...