Did you check out carsound.com? that place is like the all audio Mecca...some smart cookies over there. I took the liberty to look up concept...only one thread really directed to their product. One guy in the thread says that the stuff was noise as hell and extremely unreliable. Another guy says that he never had any problems except with one model. 50/50 shot, I guess...but I wouldn't pay that kind of money for a 50/50, seen?