... external power required!Connectors: USB Type A, Stereo output jack, mono microphone input jackXear 3D virtual 7.1 channel sound simulation ... , XP, Vista, Linux, MacOSDesktop or notebook PC with a USB port.Stereo active speaker or stereo earphone.Windows 98SE, ME ... 7.1 channel sound simulation software)Manufacturer Part Number: SYBA SD-CM-UAUD71 USB Virtual 7.1-Channel Sound Adapter USB sound card 7. ...