Monster Cable S14-2R-500 Monster Standard UL CL3 Speaker Cable 14 Gauge (500 ft. spool) Two conductor CL3 and FT4 rated speaker cable for in-wall installation. EZ-Strip ripcord for quick, easy jacket removal. Monster quality in a low-cost design. 14 and 16 gauge constructions with fine, high purity copper stranding. 14- and 16-gauge constructions with fine, high-purity copper stranding