2004 Hummer H2 Drivesoft DFS Computer system with 7" touchscreen and DVD player Large button touchscreen icons make the Drivesoft system easy to use DFS is Windows XP based so any Windows software integrates seamlessly Bluetooth wireless mouse for precision control Customs built sub enclosure houses (2) Rockford Power T1 12" subwoofers for great bass performance Integrated amp rack on the back of the sub enclosure holds over 2000 watts of Rockford Fosgate power Headrest screens for rear passengers OnStar was relocated to the overhead console Microsoft GPS antenna gives navigation capabilities to the Drivesoft system