Personal audio systems, namely, wired and wireless fit-in-ear earphones, wired and wireless headphones, wired and wireless over-the-ear earphones, ear buds, interchangeable earphone and headphone cables and dongles in the nature of interfaces for computers and computer hardware for connection to computers to access wireless broadband communication services and protected software; personal headphones, earphones and ear buds for use with sound transmitting systems; accessories for personal audio systems, namely, cases for personal amplifiers, headphones, earphones, ear buds, audio speakers, in-ear monitors not for medical purposes, audio mixers and cables associated with all of the foregoing equipment, earphone tips, ear bud covers, headphone covers, replacement earphone and headphone cables, replacement earphone tips, replacement ear bud covers, replacement headphone covers, replacement dongles in the nature of interfaces for computers and computer hardware for connection to computers to access wireless broadband communication services and protected software and data and power access tuning ports for use with electrical control panels for connecting multiple data and electrical devices