OVERVIEW Driver unit for FANTECH Aurora HG29 7.1 Surround Sound Gaming Headset, -50mm Sensitivity of 110dB and speaker frequency response of 20–20KHz 32+/- 15% speaker impendance Sensitivity of the microphone: -38+/-2dB Directivity of Microphones USB plug with omni-directional microphoe impedance of 2.2k +/-30% 2m Gaming headset with surround sound, FanTech Aurora HG29 7.1 Presenting the ultimate gaming headset that will transform your gaming experience: the Fantech Aurora HG29 7.1 Virtual Surround Sound USB Gaming Headset RGB Lightning. With its 50mm driver and frequency range of 20–20 kHz, you can fully immerse yourself in high-quality sound with a maximum volume of 110dB and crystal-clear audio.