amplifier or subwoofer

I don't like the Beats audio Subwoofer, there comes alot more bass from the door speakers then from the subwoofer itself, I would not be suprised if I unplugged the subwoofer and there wouldn't be a big difference. But I don't have any knowledge when it comes to audio systems, is it possible to...

Hi there, almost got everything I need to get the install underway (minus amp and box) and just got wondering, is it relatively easy/hard to install an amp (Don't really want to shell out more money for installation costs). Gonna be running OAWG Thanks