The Razer Barracuda HP-1 Gaming Headphones features eight discrete audio drivers to enable pinpoint positional accuracy essential for gaming. It features advanced noise cancellation capabilities and a built-in microphone designed specifically for in-game communications — ideal for frenzied in-game communication. True In-Game Surround Sound for Enhanced Positional Audio A 5.1-channel surround audio enables accurate positional audio in gameplay. Optimal Sound Quality Expect better sound quality with three dedicated mid/high frequency drivers and a low frequency woofer for each ear. Audio Clarity with Built-in Amplifier Hear better and louder with a built-in amplifier in gaming and music environments ...