Camcorders; video recorders; cinematographic cameras; cameras [photography]; cabinets for loudspeakers; sound recording carriers; microphones; sound transmitting apparatus; cabinets for loudspeakers; horns for loudspeakers; subwoofers; audio and video receivers; audio interfaces; equalizers [audio apparatus]; audio mixers; sounding apparatus and machines; loudspeakers; couplers [data processing equipment]; data processing apparatus; computer memory devices; computer peripheral devices; computer software, recorded; integrated circuit cards [smart cards]; computer software applications, downloadable; interactive touch screen terminals; electronic interactive whiteboards; interfaces for computers.