hey guys need some help with getting the wiring ready I have an onkyo 876 with front Paradigm studio 100v5 center Paradigm cc590v4 (it's running 5.1 with rears and sub) and just order an emotiva xpa 3 can some one walk me on how to hook it up? is it amp to speakers? or onkyo to emotiva to speakers? what wiring will I need? Speaker wire? fiber optic?