Hosa SKJ-405 REAN 1/4" TS Pro Speaker Cable, 5 Feet About this itemOxygen-free copper (OFC) Conductors for lower resistanceBlack PVC jacket for both durability and flexibilityIntended for high-current applications only, not line-level signalsHosa Speaker cables are designed to provide years of dependable service. High-quality components and world-class manufacturing combine to deliver products of exceptional value.