Radio-broadcasting receivers; loudspeakers; sub-woofers; headphones; mini audio systems comprising amplifiers and loudspeakers; portable music receivers; audio amplifiers; high fidelity amplifier; audio interfaces; audio signal processors; audio-video receivers; graphic equalizers; electric and electronic effects units for musical instruments; amplifiers for musical instruments; remote controls for audio and video apparatus; wireless audio servers and receivers; wireless video servers and receivers; wireless audio receivers comprising amplifiers, compressed audio players and loudspeakers; wireless music system encompassing a wireless transmitter, transmitter cradle and speaker and accessories therefore, to be sold as a unit or separately; portable media players; computer software; computer software for generating, reproducing, effecting, and recording sound; computer software for controlling audio apparatus; downloadable computer programs and software provided from a computer network; conference microphone speakers