Monoprice Planate Series 16 Gauge AWG Pure Copper Flat Speaker Wire/Cable - 250ft CL2 in Wall Rated, Jacketed in PVC Material 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. Features cable markings on one of the two conductors Speaker Wire | comes in a flat package 16AWG Pure Copper Flat Speaker Wire | from Monoprice Pure Bare Copper is a superior conductor to the copper clad aluminum (CCA) conductors used in most other inexpensive speaker wire.