For the music admirer, use Winamp 2/3/5 to monitor your personal music selection and adjust the volume with the keypad. You don't need to be a PC enthusiast anymore to enjoy the benefits of this unit.With the MX4 series you can now monitor CPU statistics, Hard drive space, and other system critical information. The MX4 also allows you to plug 4 fans and 6 temperature probes directly into the back of the unit for all you quiet and cooling PC needs. Includes everything you will need to get going.