Alienware TactX Headset with Adaptor The Alienware TactX headset is engineered for high-quality audio performance. Built with a custom-engineered soundscape and optimized to single out key in-game sounds, this headset can definitely give you a clear advantage against your opponents. Features and Benefits - Frequency Response: 16 Hz - 28 kHz - Input Impedance: 40 Ohm - Connector: Support for single 3.5mm headphone/microphone combo connector and Dual 3.5mm Headphone and Microphone connector - Sensitivity: SPL at 1 kHz, 1 Vrms: 110 dB - Ear Coupling: Circumaural - Cord Length: 10 Feet (3ft cord + 7ft extension)