The Performance Subwoofer cable from QED. Connects your AV Amplifier or Receiver to your active Subwoofer, features dual magnetic shielding. Connect Your: AV Amplifier or Receiver To Your: Active Subwoofer Available Lengths: 3m 6m 10m 100m reel Features 99.999% Oxygen Free Copper Conductors Symmetrical Twisted Pair Geometry Dual Magnetic Shielding for Enhanced Signal Integrity 24k Gold Plated RCA Connectors Precision Engineered Plug with Integrated Grip