Turtle Beach Santa Cruz PCI Sound Card Digital Signal Processor (DSP) offloads audio tasks from PC central processor High-resolution converters provide crystal-clear reproduction of MP3, WAV, CD, DVD and Internet Audio Spectacular home-theater surround sound with programmable ambiance effects on 2, 4, or 6-speaker systems SensauraVirtualEar Technology optimizes 3-D positional audio for enjoying surround sound with headphones Supports industry-standard 3-D positional audio for interactive PC gaming