9 Electric and electronic apparatus and instruments, for the switching, monitoring and control of light, sound, audio and video signals for event and stage systems, namely, midi controllers, audio mixers, dimming consoles, video display controllers, DMX controllers and RBG controllers; computer hardware and software for the switching, monitoring and control of light, sound, audio and video signals for event and stage systems; electronic controllers, signal splitters for electronic apparatus, power supplies, amplifiers, electric light dimmers, computer device drivers that operate or control devices attached to a computer, cables and cable connectors for event and stage systems