ULTRA HD-AUDIO

Amplifiers; Audio amplifiers; Audio headphones; Digital audio and video recorders and players; Digital audio players; Digital music downloadable from the Internet; Downloadable computer game programs; Earphones and headphones; Headphones; Home theater systems comprising optical disc players and recorders, audio amplifiers, audio speakers, dock audio speakers and subwoofers; Music headphones; Notebook computers; Personal headphones for use with sound transmitting systems; Portable DVD players; Portable media players; Portable radios; Portable telephones; Power amplifiers; Pre-amplifiers; Prerecorded digital video disks featuring music, movies, images, animation and texts; Smartphones; Stereo headphones; Televisions