DH Labs T-14 Signature Speaker Cable [Stereo Pairs / Banana Connectors] 8 feet by Silver Sonic Silver Sonic T-14 High Resolution speaker cable was designed by D.H. LABS to provide the highest quality sound at a much lower price than competing cables. T-14 cable uses the finest materials available, including silver, oxygen-free copper and a pure PTFE dielectric. T-14 cable has a very low capacitance of 21.5 pico-farads per foot. Color: Navy Blue Diameter: 7.4 mm