· 30 Feet [ 14 GAUGE SPEAKER WIRE ] - The lower the gauge number, the thicker the wire. Thicker wire presents less resistance to current flow. · COPPER CLAD ALUMINUM (CCA) - CCA wiring provides a good conductor for transmitting audio. This is the most economical option when choosing speaker wire. · RUGGED PVC JACKET - Allows free, wide and seamless adjustment of the required physical properties of this wire such as flexibility, elasticity, and impact resistance. · EASY POLARITY IDENTIFICATION - This two color jacket allows for easy polarity identification. Making a polarity mistake could be damaging to your audio equipment. · SOFT TOUCH JACKET - The jacket on our cable is designed with the installer in mind. The flexibility of this jacket allows for easy routing and has a low memory.