The Sound Blaster Omni Surround 5.1 delivers cinematic audio immersion to your PC or Mac through a simple USB port. Powered by SBX Pro Studio Technology, the sound card instantly converts your PC or Mac into a 5.1 entertainment system with amazing positional audio and additional customizable audio effects via the included Sound Blaster Omni Control panel software. The Sound Blaster Omni is also ideal for voice communication and features a built-in dual array microphone that seamlessly integrates with proprietary Crystal Voice technology to deliver amazing voice clarity for chatting or recording . And if audiophile quality listening is your taste, the Omni features a high-end 600 ohm headphone amplifier for studio grade monitoring. Software includes: For Windows - Sound Blaster Omni Control Panel, User Guide, Creative Wave Studio, Creative Media Toolbox Trial. For Mac OS - downloadable from the web: Sound Blaster Omni Control Panel, User Guide. Note: Creative Wave Studio & Media Toolbox Trial are downloadable from web. Package contents: Sound Blaster Omni Surround 5.1, Micro USB 2.0 cable (1.5m), Stereo RCA to 1/8" jack adapter, Installation CD, Quick start leaflet, Warranty leaflet.