Apparatus for use in audio-visual communication; racks and mountings specifically adapted for use with audio, visual, computer and telecommunications equipment; amplifiers being audio apparatus; audio cable; audio cable connectors; audio compact discs; audio electrical apparatus for in-car entertainment; audio electronic apparatus; audio electronic instruments; audiovisual apparatus; audiovisual devices (apparatus); audiovisual display apparatus adapted for use with computers; audiovisual photographic instruments; car audio apparatus; car audio instruments