Class 037
Construction and Repair Services
[ Installation and maintenance of sound reproduction equipment; installation and maintenance of sound reproduction systems ]
Class 041
Education and Entertainment Services
[ Wholesale store services featuring sound reproduction equipment, amplifiers, loudspeakers and their accessories; retail store services featuring sound reproduction equipment, amplifiers, loudspeakers and their accessories; electronic commerce services of sound reproduction equipment, amplifiers, loudspeakers and their accessories, namely, online wholesale store services featuring sound reproduction equipment, amplifiers, loudspeakers and their accessories ]
Class 042
Computer & Software Services & Scientific Services
[ Design and development of sound reproduction equipment; design and development of sound reproduction systems ]