Features:<br> This sound card uses a CMI8738 chip to support 4-channel surround sound output, DLSvoicelibrary technology, A3D1.0 and DS3D support, and is compatible withDirectSound 3D andEAX sound effects. Simultaneously supporting 24-bit SPDIF OUT and SPDIF IN chips with a signal-to-noise ratioof 120dB<br> PCI bus - fullduplex playback and recording - HRTF 3D spatial positioning sound effect, supporting Dircet Sound 3D andA3D interfaces<br> Wide rangeof operating platforms, supporting multiple platforms such as MSDOS, WINDOWS3X, 9X, WIN2000, LINUXetc. - MPU401 GAME/MIDI port and surround sound SB16 support - downloadable waveform synthesizer<br> Supports Direct Music SPDDIF digital soundperformance indicators: 24bitstereo, 44KHz sound sampling recording and playback 120dB sound quality fullduplex playback recording Automatic detection of SPDIF/IN CRL3D sound technology<br> 3Dinterface supporting MicrosoftD3D Supports two/four speakersandDLS, supports waveform table music synthesizer compatible withtraditional sound cards<br> Fullduplex playback and recording support for Windows 98/Windows 2000/WinXP<br> <br> Specifications:<br> Item: PCI5.1 StereoSurround Sound Card Mixing/Karaoke<br> Signal Voltage: 0.5v~5v<br> Chip:CMI8738<br> Support 4-channel surround sound output,<br> Support DLSvoice library technology, A3D1.0 and DS3D<br> <br> Note:<br> 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order.<br> 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1PC PCI5.1 StereoSurround Sound Card<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store