Super's hefty cable construction provides effortless current transfer in even the most demanding musical passages. Compared to Plus, Super extends performance at the frequency extremes because of its network technology and current carrying capability. Super is upgradeable to Ultra speaker cable or above. SPECIFICATIONS Standard termination: spade > spade Lengths: 8 feet, 10 feet, 12 feet, 15 feet, 20 feet, 25 feet Custom terminations/lengths/singles always available. Biwire version available. Adaptors: banana, pin, bar spade, biwire