Aurum Cables - 14/4 Awg 105 Strand - 250 ft In Wall Oxygen Free Pure Copper - Speaker Wire - CL2 Rated UL Listed - 14 Gauge 4 Conducter - 105 Strand 250 ft 99.99% Oxygen Free Pure Copper Rated for CL3 for in-wall installations and outdoor direct burial and UL rated and certified Perfect for any DIY projects or custom installations Comes in a Handy spool for easy installation and deployment.