Since 1974, Comprehensive Pro AV/IT Series Cables have been trusted by Pro AV and I.T. systems integrators because of their legendary reliability, performance and value. That"s why they have been the quot;go toquot; cable worldwide for boardrooms, classrooms, data centers, schools, government installations, stadiums, broadcast studios, stages and other mission critical applications. Pro AV/IT Series Cables are also perfect for anyone looking for premium quality connectivity at great price. Comprehensive"s Pro AV/IT series high resolution S-Video plenum cables are the same premium quality as our off the shelf cables. All series plenum cables are prograde construction with up to 95% shielding, premium nickel over brass connectors and a flexible plenum jacket for easy installation.