Asus ROG Strix Fusion 500 Virtual 7.1 LED Gaming Headset with Hi-Fi Grade ESS DAC, ESS Amplifier, Digital Microphone and Aura Sync RGB Lighting, 90YH00Z2-B8UA00; Connector: USB; Driver diameter: 50 mm; Impedance: 32 Ohm; Frequency Response (headphones): 2