Audio balun allows any unbalanced analog audio signal to be transmitted via single unshielded twisted pair (UTP) cable for more versatile cabling. Used in pairs, audio balun eliminates costly and bulky coax cable, allowing consumer and commercial audio equipment to be connected using standard premises wiring techniques. One or two pair of baluns is required depending on whether application is for monaural or stereo audio. Audio balun features screw terminals and built-in cable strain relief for ease of installation and reliable connectivity. Applications include auditoriums, arenas, schools, home theatre systems, airports, hotels, hospitals, conference rooms.