The Pro Co Sound WC-12-2(250) is a 250 foot length of PowerPlus 12 AWG 2-Conductor Speaker Cable. The most crucial element when making your own cables is undoubtedly the quality of the wire itself. Pro Co Sound Lifelines Series PowerPlus Speaker Cable uses Pro Co designed, low capacitance and low inductance PowerPlus wire. It's built with high-purity, stranded copper for a clean sound and an exclusive ArmorFlex outer jacket in black to provide you with a durable and highly flexible cable.