DESC: Realistic EAX 5.0 sound effects that pull you into the game Accurate 3D positional audio - even with normal headphones Accelerated audio for unbeatable game performance Clearer voice chats for better voice communication Works with PCI Express equipped PCs Chosen by professional gamers, the PCI Express Sound Blaster X-Fi Titanium Fatal1ty Champion Series sound card delivers the ultimate PC gaming audio experience. You ll hear realistic EAX 5 sound effects and 3D positional audio so accurate you can locate opponents by mere sound -even over normal headphones. Plus, get unbeatable performance in your games with hardware accelerated audio and X-RAM.