Tributaries - 8SJ - Series 8 Jumper Cables (Pair) If your speakers are equipped with 4 binding posts they are meant for bi-wiring. One pair is for high frequency and the other pair is for low frequency. If you prefer not to bi-wire, speaker manufacturers provide gold plated brass bars to bridge the negative posts and the positive posts. The Series 8 are 14AWG LC-OFC is carefully drawn to produce a low crystal volume per foot resulting in less signal loss and distortion. Tributaries 8SJ is a high-performance Speaker Jumper cable made by hand. The 8SJ is designed with heavy 14AWG Long Crystal Copper (LC-OFC) conductors that are terminated with a combination of Series 8 locking banana plugs and Series 8 Spade Lugs. The conductors have a unique individually insulated dual-gauge configuration for superior sound clarity. The 8SJ is terminated with red & black Series 8 locking banana plug or spade lug connectors. The wires are secured by dual screw terminals.