DiyHomeTheaterSupply 18/4-Inch Wall Speaker Wire 100-Feet Spool CL2 Rated UL Listed 18 Awg 4 Conductor 100ft Pro Spool 99.99% Oxygen Free Copper CL2 Rated In Wall/Ceiling Applications Pro-Installer Series Flexible No Kink Jacket UL Listed & Certified Rohs Expect to pay DOUBLE at a local retailer for this quality!!