9
Digital media streaming devices; Radio monitors for reproduction of sound and signals; Hands free devices for mobile-phones; cabinets for loudspeakers; diaphragms [acoustics]; loudspeakers; audio- and video-receivers; megaphones; microphones; sound transmitting apparatus; sound recording apparatus; sound reproduction apparatus; headphones; portable media players; electric and electronic effects units for musical instruments; audio interfaces; equalizers [audio apparatus]; subwoofers; virtual reality headsets; audio mixers; earphones; Set-top boxes; Surround sound systems; Personal headphones for sound transmitting apparatuses; Car audio apparatus; Car speakers; Music Headphones; Audio amplifiers; Audio switching apparatus; Headsets for use with computers; Personal headphones for use with sound transmitting systems; Microphones [for telecommunication apparatus]; Subwoofers; Data transmission cables
42
Quality control; technological research; research and development of new products for others; Design of telecommunications apparatus and equipment; Scientific research and development; material testing; industrial design; Design and development of multimedia products; Graphic arts design