A.Unshielded twisted pair B.RJ-59 C.16/4 solid conductors D.Speaker Wire
A.Source,Volume Control,Speaker,Amp B.Source,Amp,Volume Control,Speaker C.Amp,Source,Volume Control,Speaker D.Speaker,Amp,Volume Control,Source
A.2.35:1 B.4:3 C.1.33:1 D.1.78:1