[. . . ] [. . . ] Provides audio fidelity that rivals movie theaters with 4-ch digital sound. Customize internet audio with the power and surround sound of EAX tm audio technologies Enjoy compelling 3D audio and 4 sound on multiple speakers series Rich software Bundied Specification Chipset: CS4280 System Interface: 32bit PCI Bus Master, PCI 12. 1, PCI 12. 2 Compliant Hardware Interface HRTF-base 3d positional audio, supporting DirectSound 3d, EAX and A3D interface Support Multi-speaker output to 2/2, 1/4, 1 speakers Support EAX, Karaoko key, Echo, sound effects High Performance Dual game Port Mpu401Compatible MIDI Interface & GM Compty with Microsoft Pc99 Specification Wave Table Synthesizer: DLS-base Wavetable music synthesizer Software Compatibility, Fully sound Blaster, Sound Blaster Pro Compatible and Direct Sound Compatible Connector External Connector: Front-out/Center & LFE/Line-in/Mic-in and Game/MIDI port Internal Connector: CD Audio, Aux connectors 3D Effect Microsoft Direct Sound 3D Au real @ A3D HRTF 3D Extension Position Audio EAX System Requirements Windows 95/98/2000, Windows Me, DOS, Window NT 4. 0 Intel architecture CPU with MMX instruction set PII 366 MHz CUP or above (recommended) 32MB System memory 100MB available HDD space [. . . ] [. . . ]