Monster M Series M1.4s Biwire Speaker Cable (250 ft. spool)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> UL CL3-Rated for in-wall use. </span></li><li><span class="a-list-item"> Magnetic Flux Tube® for smooth， extended frequency response. </span></li><li><span class="a-list-item"> MultiTwist™ construction for lower noise floor. </span></li><li><span class="a-list-item"> PEX™ dielectric for improved reproduction of harmonic structure and inner detail. </span></li><li><span class="a-list-item"> Time Correct® multiple gauge wire networks for greater clarity. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/317Znp5dkyL.jpg" noproxy>