If you are having a hard time communicating with your employees or clients, you should consider installing an office audio-visual system. Below is information on what this system is and benefits of choosing to install this type of system. Audio-Visual System An audio-visual (AV) system is designed to produce visual components and sound in an office building, as well as a variety of other settings.  An AV system is very difficult to install and should always be installed by a professional company.