This question may be quite straight forward, but I cannot find an answer anywhere. I am new to this forum but I found the formula to ballpark estimate my total amperage. I do not understand one part. When you calculate this, do you add up the total RMS of the amplifier AND the subwoofers it will be powering, or does the RMS of the amplifier translate into the subwoofers and therefore I just use the RMS of the amplifier? I got an 8AWG power wire and ground wire for my soundstage SS500.1 and a soundstage dual 10” boxed subwoofer with an RMS of 500W and peak 1000w. I am now kind of doubting if my power wire be suitable for a small car, can anybody help?