STEREOPHONES, LOUDSPEAKERS, AND RELATED ACCESSORIES-NAMELY, STEREOPHONE PLUG ADAPTERS, STEREOPHONE MONAURAL ADAPTERS, STEREOPHONE REPLACEMENT CUSHION SETS, COILED STEREOPHONE EXTENSION CORDS, STEREOPHONE SPEAKER SWITCHES, STEREOPHONE EXTENSION CABLES, STEREOPHONE PIN-TYPE ADAPTERS, STEREOPHONE PINTYPE EXTENSION CORDS, CHAIR-SIDE STATIONS, REMOTE CONTROL STATIONS, AND STEREOPHONE CONNECTOR BOXES