LTB Audio Systems USB Pro 5.1 Surround Sound Headphone System - Manual (Page 8)

4. System Requirement and Installation
This device must be used with USB specific PC products. And the user should
confirm that PC operation supports USB function, USB 1.1 or 2.0.
Case1--No external driver installed
OS Support Win98SE, WinME, Win2000, WinXP, Mac OS 9.0 and 10.x
System recommended use Intel Pentium III AMD K6 500 CPU above
At least 64 MB RAM (Win98SE) or 128MB RAM (WinME, Win2000 and
WinXP)
At least 50 MB hard disk space
For good sound quality, please adjust your system’s H/W acceleration and
Sample rate conversion quality to Full and Best.
Note:
Sometime, when user plug USB Personal Multi-media Device on PC
system and OS cannot auto change audio device to USB audio, please
switch the audio device to USB audio sound and audio devices
properties in control panel.
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