• Copper-Clad Aluminum Wire (CCA) is a conductive wire consisting of an aluminum core covered with a thin layer of copper, also known as CCA wire. It combines the lightness and cheapness of aluminum with the good conductive properties of copper. У аудио пољу, Оцвитвире се често користи у аудио кабловима и кабловима звучника, јер може пружити добру перформансе преноса звука и релативно лагано и погодно за пренос на даљину. This makes it a common conductive material in audio equipment.