A coaxial speaker cable has a shielding core composed of copper wire and silver-plated braids. Some high-end cables may have two types of shielding – either braided copper or aluminium foil. Some models have four layers of shielding, which can reduce flexibility and risk of faults. The outer layer of the cable is made of PVC or a material that resists moisture. As a general rule, copper speaker cables are the best choice for home entertainment. RG11 RG11 coaxial speaker cable is a type of speaker cable that features steel…