Audio equalizer apparatus; Audio interfaces; Battery chargers; Blank video tapes; Cabinets for loudspeakers; Camcorders; Loudspeakers; Microphones; Transmitters and receivers for audio and video signals for transmission over twisted pair cables; Transmitters of electronic signals; Video baby monitors; Video monitors; Video recorders; Digital photo frames; Horns for loudspeakers; Receivers for telephone, audio, video; Television cameras