I think other than the fact hes seriously mentally challenged is the fact that about 90% of amps that can be run mono say how to do it right no the acctual amp. I can't remember is RF does or not its been about 8 months since i have looked closely at one. But come on! If your gonna buy a sub and put a system in your car and try to do it yourself "Bridging" a amp might be somethign you should know.