Cable Matters 5-Pack, Gold Plated 3-RCA Coupler 5-pack 3-way RCA couplers are used to connect two RCA cables together to make a longer cable Convenient and cost-effective 5-pack 3RCA couplers provide spare or replacement adapters to use on different audio and video systems Gold-plating resists corrosion and ensures minimal signal loss Grip treads help easy plugging and unplugging