LTB Audio Systems USB Pro 5.1 Surround Sound Headphone System - Manual (Page 10)

Case3--Install USB Multi Channel technology driver
OS Support
Win98SE, WinME, Win2000, WinXP
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
Support direct sound 3D
Note : Windows OS has default USB driver support, but no support for HRTF
3D, EAX , Multi-channel sound effect and Dolby Digital sound DSP function.
Thus, if user wants to enjoy these fancy experiences must install USB Multi
Channel sound audio driver.
Before users install USB Multi Channel sound audio driver, make sure
that USB Multi-media Sound Device is connected to PC system already.
If your PC system has more than one USB port, please remember
which one is connected for install, and next time when you plug this USB
Multi-media Sound Device to PC, you have to plug in the same port to initialize
the USB Multi Channel driver.
USB Multi Channel Sound Audio Driver Installation Step
1.Turn on PC system and connect USB Multi Channel Sound Device to PC
system.
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