i have a ????.. i am useing a cadence a7..i have 4g power cable and my amp is not max out...i just got me to 6.5 woofers to put in the door today and i got a good deal on a bazooka el1500 amp....i will be puting 100 watts max to the subs....will my 4g wire be ok to use with my jbl. or do i need...