Networking is not just applicable to information technology equipment like personal computers, printers, servers, and modems. Audio visual equipment is also being networked for various applications. The two systems can now be interconnected to create more amazing applications. One audio equipment that can be networked with its information technology counterpart is the Portable pa system. It can be brought anywhere for various purposes.

After a speaker has delivered the important announcement, a portable unit with USB port can be used to play an audio file from a laptop computer or another storage device. The audio file can be an important announcement or speech from a leader of an organization. It is being played to support the information the speaker has just delivered. With this kind of setup, the information that has been conveyed becomes more credible and the speaker trustworthy. It is fascinating how technology can change the view of huge crowds of people with just a click of the mouse.