Audiophile performance convenient connectivity usb simplicity usb sound blaster x fi hd is an audiophile grade sound system with premium connectivity for your notebook or pc the front panel includes a conveniently located 14 microphone input and 14 headphone jack with a studio quality headphone amp and volume control the rear panel features optical io gold plated stereo rca io plus an integrated phono preamp for direct recording of your vinyl collection from your turntable the bundl