hi guys sorry for my language as i dont speak english very wel any one cud help me with rca adapter i try to fit amplfire in my standard cd player i cheaked Tutorials but i coudn't rally get it so if some 1 could expalin it more how do i canect it to the speakers wire as there is 8 wire 4+and 4-for the speaker in midle part of cd player and the adapter got only 5 2- and 2+. 1 i know it go for ground or any were in body but how to i conect these 4 wire ? thanks