[Metal Cabinets for Electronic Rack Panels, and Rack-Mounted Drawers and Shelves; Frames for Speaker Enclosures and Speakers; Speaker Covers, Grills and Baffles; Mounting Frames and Brackets for Speaker Enclosures, Speakers and Electrical Receptacles; Metal Enclosures for Speakers, and Electrical Receptacles; and Wall Plates for Receptacles]

Loud Speakers and Speaker Baffles for Sound Projection Systems