25 ft. - 2 channel RCA CORE25 CORE audio cables and blocks are designed for great performance at a great value. Each audio cable is made with OFC copper for efficient signal transfer. The low profile RCA connectors feature 24K gold plated ends for optimal contact. CORE battery terminals, fuse holders and distribution blocks feature nickel plated terminals and impact resistant covers for enhanced durability. CORE audio cables and blocks are extremely reliable and a great solution for your everyday install.