I needed to install a sound system in a local exhibition hall, and because I did not know too much about the technology involved I decided to hire a professional to give me some advice. I imagined that the sound system would need to be really large but I found out that there are many different types of Small PA Speakers available nowadays that can really give a good sound, and can do as good a job as something that is double the size. I decided to choose some of these and I can honestly say that the sound system has worked really well.