Windows7 pro

                                                                                                               New PCI-E PCI Express 6 Channel 5.1 CMI8738 Audio Sound Card PC windows7/8   Features: System interface: 32-bit PCI express x1 Bus Master Provides audio fidelity that rivals movie theaters with 4/6-channel digital sound Customize Internet audio with the power and surround sound of EAX audio technology Enjoy compelling 3D audio and 4-channel sound on multiple speaker series Rich software bundled HRTF-base 3D positional audio, supporting DirectSound 3D, EAX and A3D interfaces Supports multi-speaker output to 4/6 speakers Supports EAX, karaoke key, and Echo sound effects Complies with Microsoft 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: CD audio, AUX connectors 3D effect: Microsoft DirectSound 3D; Aureal A3D; HRTF 3D extension positional audio; EAX Support high-performance 6-channel audio sound card Own interface front-channel output,