Internal 200W Speaker Installs easily into standard 5.25" drive bay 200W PMPO output 100Hz - 18kHz frequency response 3D surround sound effects switch Front panel power on/off switch, volume control, line-in and headphone socket 2 front panel USB ports LED power indicator Power connection via standard 5.25" IDE connector with pass through Dimensions (HxWxD): 42x148x190mm Connector type:IDE