35ft Premium 3.5mm Stereo Male to 3.5mm Stereo Male Cable - Black Color. The 3.5mm (1/8") 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 male 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.