Cable Matters 14 AWG CL2 In Wall Rated Oxygen-Free Bare Copper 2 Conductor Speaker Wire (Speaker Cable) 250 Feet This pro-grade 14 AWG, CM and CL2 rated speaker wire is an ideal choice for connecting your loud speakers to an AV receiver or amplifier in a 2.1, 5.1, or 7.1 channel home theater system Heavy gauge conductors are made of solid oxygen-free copper as opposed to copper clad aluminum (CCA) or copper clad steel (CCS) to resist corrosion and deliver pristine sound speaker cable has durable PVC jacket which complies with the CL2 rating for the fire safety requirements Two conductors are jacketed with color-coded PVC for easy polarity identification Premium speaker cables wrapped around a plastic spool in the box for easy and convenient installation without kinks