... / MPEG2 SVCD) / AVI/DVD_Audio/DVD_AC3/DVD_DTS/DiVX format;3, using the most advanced Xear 3D technology, full support for ... MS DirectX, EAX1.0/2.0, HRTF 3DX function;4, multi-channel technology, ... interface, no external power supply, can be used for version USB2.0, backward compatible with USB1.1 version, plug ... USB interface devices, plug and play usb 3.0 sound card