i bought this amp from a friend.Didnt have the owners manuel.It is a 600 watt-1,2,or4 channel amp,rated for 2-4 ohms.I have (2)DVC 4ohm American Legacy series 2 subs,rated for 600nom,and 1200max.Can someone give me a diagram, or show me the best way to hook this up so i get the best sound. thanks