3 Brass Banana Plug is widely used with your speaker wire. It not only help your installation to look cleaner, banana plugs also provide you a permanent and top class connection. Most of the wires get pulled out and frizzy as time passes which can affect your sound quality. With this plug, you ensure this won’t happen. 3 Brass Banana Plug will also help the back of your speakers & receiver look good and reduce the messy look of all the wires.