100 feet (30.5m) / 16AWG speaker wire - The lower the gauge number, the thicker the wire. Thicker wires have less resistance to current. Oxygen-Free Copper (OFC) - Oxygen-free copper wiring provides a better electrical conductor than aluminum because it does not expand or contract with heat and can carry higher current loads. InstallGear 16-gauge wire AWG speaker wire (100 feet - Red/Brown) | Speaker cable car speaker stereo home theater speaker surround sound radio automotive wire outdoor | 16AWG speaker wire 30m 30 meters Thank you for viewing! Please understand that this item is stored at home and will be shipped with simple packaging. Please feel free to ask any questions in the comments ( ^ω^ ) I have opened the package once for photography, so it is listed as "Like New". Please check the condition of the product in the photos! 18-55