Audio and video equipment, namely, stereo tuners and audiovisual receivers; preamplifiers; amplifiers, namely, integrated amplifiers, headphone amplifiers, and portable amplifiers; loudspeakers, earphones and headphones; equalizers being audio equipment, namely, environmental equalizers; audio and video processors, electronic system controllers for audio equipment, and electronic switching apparatus for audio equipment; compact disc players, video disc players, and phonograph record turntables; audio and video streaming and storage devices, namely, media players; car audio head units, namely, electronic display interfaces for use as radio and audio displays in vehicles; power line conditioners for audio and video equipment; remote control devices for audio and video equipment in the nature of radios, televisions, and stereos, excluding video gaming apparatus; acoustic meters and electronic display interfaces, namely, data displays for audio and video equipment; connecting apparatus, namely, audio and video connection cables for audio and video equipment; Downloadable graphical user interface software and downloadable application software for use in operating audio and video applications; Stereo systems, Car stereo systems, Home theater systems and compact stereo systems comprised of some or all of the foregoing