Cabinets for loudspeakers, loudspeakers and amplifiers; apparatus for recording, transmission or reproduction of sound or images; central processing units for processing information, data, sounds or images; sound processors, namely, music instruments effects processors and voices effects processors; signal processors for audio speakers; cabinets for loudspeakers and amplifiers; Downloadable computer software to control, check, and improve computer and audio equipment sound quality for loudspeaker cabinets, loudspeakers and amplifiers; Downloadable computer firmware for monitoring, checking, and improving the sound quality of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers; Downloadable computer software and firmware for monitoring, checking, and improving the sound quality of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers; Downloadable computer software embedded in central units for processing, monitoring and checking the acoustical properties of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers

Education, namely, classes and workshops, and training in the field of installation, configuration and implementation of cabinets for loudspeakers, loudspeakers and amplifiers; entertainment and cultural activities, namely, live musical performance; Copy editing, namely, editing of books and magazines in the field of music; organization and production of music shows, namely, ongoing televisions shows featuring music, live musical performances shows; organization and conducting of colloquiums, conferences and congresses for entertainment, training and education purposes, all in the field of music; rental of cabinets for loudspeakers, loudspeakers and amplifiers

Design of computer software and firmware for monitoring, checking and improving the sound quality of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers; development of computer software and firmware for monitoring, checking and improving the sound quality of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers; conducting of technical project studies, namely, conducting scientific feasibility studies in the field of design and development of software and firmware for monitoring, checking and improving the sound quality of audio equipment such as cabinets for loudspeakers, loudspeakers and amplifiers; development services, namely, design of software and firmware for monitoring, checking and improving the sound quality of audio equipment such as cabinets for loudspeakers, loudspeakers and amplifiers; computer programming in the fields of monitoring, checking and improving the sound quality of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers; design of computer hardware and software systems in the fields of monitoring, checking and improving the sound quality of audio equipment such as loudspeaker cabinets, loudspeakers and amplifiers