The management of an engineering firm, particularly in the field of environmental acoustics; the trade, manufacture, rental, import and export of sound systems; the assumption of agencies; consulting and preparation of expert opinions in the same sectors; the purchase and/or management of studios for professional audio and video productions, the exploitation of any patents in the same sectors, as well as the registration and development of new patents, trademarks and technologies. It may organize, manage and promote shows, the distribution and sale of record productions, audio post-production, broadcasting, audiovisual media of all kinds distributed under the registered trademark 'Jumbo Music'.