Each connector is gold-plated to ensure smooth, corrosion-free connections. The cable is 12mm x 6mm thick, while the connector housings are 41mm long x 15mm diameter. The Monoprice 6 feet Premium 3.5mm (1/8-inch) stereo TRS connector is more commonly known as the Headphone Jack on portable mp3 players and mobile phones. This cable features a male 3.5mm stereo (TRS) plug on one end and a female 3.5mm stereo jack on the other end, each with molded connector housings and strain relief boots. The cable is made of heavy-duty coaxial cable for each conductor. The conductors are 22AWG and each conductor is shield to prevent EMI or RFI interference from entering your audio system.