Business Owners Magnum Opus provides the solutions and integration that can be confusing for your business. Let us provide your firm with a turnkey solution for Audio, Video, CCTV, Voice/Data infrastructure, access control, nurse call systems, phone systems and Lighting. This will allow you to concentrate on your business. Contractors Let Magnum Opus take this headache from you. We will work with your customer and manage the integration of "Owner supplied" with what is in your scope of work. Just Getting Started? Let Magnum Opus design your system for you. We will work with the architect, and make sure no stone is left unturned. Pro-Audio From churches to nightclubs, Magnum Opus can ensure your system sounds its best starting with room acoustic analysis and finishing with a systems that is intelligible