i recently acquirred a system recently and i have a few questions.

i have a 700 watt lightening audio amp and 600 watt larzan amp and two 12 800watt mtx thunders. i have a problem with my fuses in the battery getting blown. what do i have to do fix this problem? do i need new wires or what? i dont know much about audio, but i just love bass. any help would be appreciated.