Amazon.com: 50ft 18 Gauge Speaker Wire - Waterproof Marine Grade Cable in Spool for Connecting Audio Stereo to Amplifier, Surround Sound System, TV Home Theater and Car Stereo - PLMRSW50 : Electronics
16-Guage speaker wire is constructed of professional grade Copper Clad Aluminum (CCA) wire for improved musical clarity. Perfect for custom installations of your car, RV or home theater audio sound systems.