**********Connect subwoofer speakers to audio components, such as stereo receivers or sound system, or other compatible audio devices. Compatible with devices with RCA port; works with S/Pdif, digital, and composite video interfaces; CL3 rated for in-wall use*****High performance low loss cables transmits low-frequency signals generated by subwoofers, delivering exceptional sound quality and full range bass*****Corrosion-resistant Gold-plated RCA connectors ensures a tighter fit; split-tip center pins for optimal pressure, signal strength and conductivity; tough but flexible PVC exterior***** 0.64 mm Pure copper conductor, dielectric insulation, dual shielding provides for maximum durability and protection against the hum/static encountered when multiple devices are in close proximity of each other *****cables are backed by a lifetime warranty and US-based customer support