Stereo shelf systems are designed for men and women who want a stereo inside their home. You can put the stereo shelf system in a larger entertainment center and connect your television and DVD player to the stereo shelf system. In addition, you can simply use the stereo shelf system to listen to music through your CDs, your MP3 player, and through vinyl records if you wish to do so.Can the Stereo Shelf System be Upgraded?It is important for you to see if the stereo shelf system that you are interested can be upgraded if you wish it to do so. This is important. Even if you do not want to connect external devices to the stereo shelf system now you may bay want to connect external devices to the stereo shelf system in the future when you have items that can be connected. Check to make sure t