Lets have a look at the 2.1-4.1 Series Multimedia Speaker which is a speaker that is sold for use with computers but can also often be used for other audio devices, including MP3 players. This speaker is used for various applications whether viewing movies, listening to music, or even playing video games, plays sound. 2.1-4.1 Series Multimedia Speaker is available in huge ranges like FT 014 Multimedia Speaker, FT 016 Multimedia speaker, FT 120 Multimedia speaker, FT 121 Multimedia Speaker, and many more. The speakers and computer system are readily connectable. A message can be sent simultaneously to a group of individuals.