Belkin PureAV AV23000-30 30-Foot 15-Gauge Flat Speaker Cable and Pins (Discontinued by Manufacturer) 15-gauge speaker wire delivers better audio clarity and a more natural-sounding midrange 99.99%-purity copper conductors Precision-formulated, polyethylene dielectric material generates better high frequencies 4 corrosion-resistant, 24k gold speaker pins for increased durability Lifetime warranty