New Rocketfish Subwoofer Audio Cable - 15ft (4.6M)! Connects your subwoofer to your receiver or amplifier via RCA stereo audio connection 90% copper braid with 100% Mylar foil shielding for minimal signal interference 24K gold-plated connectors for quality conductivity and signal transfer Multistranded high-purity copper conductors help maintain clear signal integrity Ergonomic, non-slip grip and smooth-fit insertion force design helps protect connectors and components