I have two amps (lkicker) (rockfor fosgate) not good on spelling, sorry. i have installed al of the wiring running two power wires from pos. terminal on bat. with 2 fuses. the ground wires for the amps and not more then 12-15 inches in length. i dont have that good of wires from then amps to the speakers. i had some around and used it. my concern is that i am getting a lot of feed back in my subs. now i did take the input out put cable and go from one behind the cd player(aiwa) and but another one to make it into two. i was wandering if anyone can help me out, thanks.