Monoprice Select Series 14 Gauge AWG Speaker Wire/Cable - 100ft Jacketed in Durable Plastic with A Color Coded Conductor for Home Theater, Car Audio and More Lifetime Warranty on ALL Cables: With Monoprice's Lifetime Warranty you can rest assured we stand behind our products and our customers. This speaker Wire | features two conductors made of high purity (greater than 99.95% pure), oxygen-free bare copper. Pure Bare Copper is a superior conductor to the copper clad aluminum (CCA) conductors used in most other inexpensive speaker wire. This speaker Wire | features two conductors made of high purity (greater than 99.95% pure), oxygen-free bare copper. Pure Bare Copper is a superior conductor to the copper clad aluminum (CCA) conductors used in most other inexpensive speaker wire. This speaker Wire | features two conductors made of high purity (greater than 99.95% pure), oxygen-free bare copper. Pure Bare Copper is a superior conductor to the copper clad aluminum (CCA) conductors used in most other inexpensive speaker wire. Pure Bare Copper is a superior conductor to the copper clad aluminum (CCA) conductors used in most other inexpensive speaker wire.