Pacer Clear 16/2 AWG Two Conductor Speaker Wire - 100' [W16-2ACLR-100]Clear 16 2 AWG Two Conductor Speaker Wire 100' Speaker wire is often used with home theaters, digital audio as well as stereo speakers. The speaker wire is not rated for in wall usage. So, how is it manufactured? Speaker wire is made from finely stranded tinned copper conductors that carry translucent PVC insulation. To make identifying the polarity easy, we added a positive symbol (+) to one of the conductor's insulation. This insulation is designed