The Ultralink Challenger2 Series Powered Subwoofer Cable is constructed of high quality components to ensure a quality connection for your audio components. It features a multi-stranded oxygen-free, high conductivity copper conductor, double-shielding, foam polyethylene dielectric insulation and precision machined RCA connectors with 24K direct gold-plated contacts. Ultralink C2SW-8M Challenger2 Series Powered Subwoofer Cable (8M) Its generous 8-meter length gives you the freedom to place components right where you need them.