... 3D 2,Chip: TP6911 3,Support Channel: 5.1 External usb sound card 1,Audio Support: DirectSound 3D2,Chip: TP69113,Support Channel: 5 ... 3, using the most advanced Xear 3D technology, full support for MS DirectX, EAX1.0/2.0, HRTF 3DX function;4 ... ,digital buttons designed for easy volume control;Basic functions:Sound: 5.1-channel intelligent software, various sound field effects for making sense of ...