Golden Cross is our top of the line speaker cable. In its standard form it is suitable for any loudspeaker, it is internally bi and tri wireable. This is the reference standard for many speaker manufactures. 5.5 awg, Teflon/air dielectric "Golden section" constant "Q", enameled "multi-gauge" "crossfield" "litz" Conductors, Double Hex crossfield cabling urethane jacket.