i have a system that i built out of pvc using 4 infinitys 612m and a 200watt ssl amp all have been sealed up for 2 years now and they still look brand new...i am wanting to get rid of the rzr that i have now and get a rzr4 seater and put the 612m in it cause they would match the robby gordan edtin...i wont one so bad i cant see straight