Features:     OOTDTY     100% brand new and high quality   5.1-channel sound card   Built-in external built   Applicable to the field of home   24 bit sample median   The type of PCI bus interface   Own interface front-channel output, in the home / bass channel output, Rear channel output, surround sound output, microphone input, line transmission   Income, headphone output   Operation System:WIN2000/XP/VISTA/WIN 7/WIN 8/WIN 10/linux       Specifications:   Chipset: CMI8738-6CH   System interface: 32-bit PCI express x1 Bus Master   Customize Internet with the power and surround sound of EAX technology   HRTF-base 3D positional audio, supporting DirectSound 3D, EAX and A3D interfaces   Supports EAX, karaoke key, and Echo sound effects   Complies with PC99 specification   Wave table synthesizer: DLS-base Wavetable music synthesizer   Software compatibility: fully Sound Blaster, Sound Blaster Pro and DirectSound compatible   External connector: SPK1,SPK2,SPK3, line-in, MIC-in   Internal connector: audio, AUX connectors   3D effect: Direct Sound 3D; Aureal A3D; HRTF 3D extension positional audio; EAX   Size: approx. 12cm x 9.5cm / 4.7 x 3.7inch   (Optional) Shorter Barrier Length: 8cm / 3.15inch       Package includes:   Package 1 : 1 x PCI-E Digital Sound Card   Package 2 : 1 x PCI-E Digital Sound Card + 1 x Shorter Barrier