Concerning this item Response frequency: 12 Hz to 28 kHz. Over-ear immersive headphones with 7.1 surround sound for uplifting music Equipped with 40 millimeter drivers that have been specially adjusted, capable of software When used exclusively for PC gaming, surround sound is enabled (download code slip inside the box). Designed to provide all-day comfort, this 250-gram Kraken headset is about 40% lighter than its competitors. CANCELLING BENDABLE NOISE MICROPHONE: For incredibly clear communication, a cardioid microphone eliminates background and ambient noise. IN-HEADSET AUDIO CONTROLS: For easy and quick adjustments, the headset has a mic mute switch and an analog volume control wheel. DURABLE CONSTRUCTION: The Kraken X frame can tolerate regular, carefree use because it is flexible and long-lasting.