Featuring a built-in dual microphone array for crystal-clear voice communication and customizable SBX Pro Studio audio technologies, and a studio-grade 600 ohm headphone amplifier, the Sound Blaster Omni Surround 5.1 is ideal for anyone looking to seriously upgrade their PC or Mac audio experience. 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 external 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. It is also ideal for voice communication and features a built-in dual array microphone that seamlessly integrates with proprietary CrystalVoice technology to deliver amazing voice clarity for chatting or recording. And, if audiophile quality listening is your thing, Sound Blaster Omni Surround 5.1 features a 600-ohm headphone amplifier for studio-grade monitoring. Easy to install, the USB-powered external sound card only requires a single USB connection to work. That's all there is to it!