Each connector is gold-plated to ensure smooth, corrosion-free connections. This splitter is use to take a single audio output and use two audio output devices simultaneously. There are various applications for this such as listening to music with friends, have two headphones connected so they're both ready to use, and even to use two speakers at the same time.The cable is made of heavy-duty coaxial cable for each conductor. The cable is 12mm x 6mm thick, while the connector housings are 41mm long x 15mm diameter. The high gauge of the wire will make sure it lasts as long as possible.