Feature: The built-in audio chip supports 24bit,192kHz sampling rate, achieving powerful and clear sound effect. 7.1CH(channel) audio system, compatible with 2.1/5.1 stereo surround sound system equipment. Total harmonic distortion (THD short) playback (90 db)/ record (-85 db), SNR 100dB. High quality Audio data, low latency Audio System Input Output. Extended full duplex mixing, such as recording and editing the file while playing the audio source; On music or on the Internet. Specification: Product type PCI-E audio card Chip solution (Cmedia) CM8828+CM9882A Port type PCI-E X1 Audio interface LNE:Audio Line-in,MC:microphone input, FRONT:FRONT out,REAR:Rear surround output,CSUB:Mid/bass output,SIDE:Side surround sound output Support channel 7.1 HiFi Stereo surround 8 channels Built-in Built-in separate sound card Sampling Resolution 24bit,192kHz sampling rate Support system for Windows 2000/XP /2003/Vista/Win 7/Win 8/ Win 10 32&64bit Application Fields This product main selling point is the sound quality performance, suitable for video playback, play games. Equipped with ASO drive, it does not support capacitor mark and&n