just purchased this gadget for my pc audio...
Encore 7.1 Channel USB Audio Box
Specs:Interface: USB 2.0, backward compatible with USB 1.x
Sample Rate: 48 / 44.1 KHz for recording and playback
Input: Microphone x2 , Line-in x1 , S/PDIF-in (digital) x1
Surround Audio Output: 7.1 / 5.1 / 2.1 channel
Additional Audio Output: Headphone x1 , Line-out x1 , S/PDIF-out (digital) x1
System Requirement: One available USB port
Minimum Intel® Pentium II® 350 MHz or equivalent PC with 128MB RAM
Amplified computer speakers or headphone
Operating System: Windows® 7 / XP / 2000 / Server 2003; Windows Vista®
DirectX 8.1 or above
CD-ROM Drive