Creative SB Tactic 360 Sigma Headset. The Sound Blaster Tactic360 Sigma pro-gaming headset now let’s Xbox 360® users experience the legendary Sound Blaster quality audio that PC gamers have enjoyed over the years. The inline stereo amplifier coupled with the Tactic3D headset equipped with powerful 50mm FullSpectrum™ Speakers deliver high-powered, heart-pounding gaming audio, along with crystal clear voice communication over Xbox LIVE®. Powered by the Xbox 360®, the stereo amplifier unit features individual voice and audio controls so you can take complete control of what you want to hear while gaming. There’s no better time than now to take your gaming audio to the next level! Connectivity: 1 x Line Out / Headphone 1 x Microphone 1 x USB Frequency Response (Headset): 20Hz - 20kHz Sensitivity (Headset): 105dB/mW Impedance (Headset): 32 Ohm Frequency Response (Mic): 100Hz - 18kHz Sensitivity (Mic): -41dBV/Pa Impedance (Mic): 2.2k Ohm