KOSS

[ INDUSTRIAL SAFETY HEARING PROTECTIVE HEAD SETS,] LOUDSPEAKERS [ AND PARTS THEREFOR ], STEREOPHONES, [ 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 PIN-TYPE EXTENSION CORDS, STEREOPHONE CONNECTOR BOXES, AND HAND HELD ELECTRIC CONTROL BOXES FOR USE WITH STEREOPHONES ]