. Razer Kraken Tournament Edition Headphones Frequency Response: 12 Hz – 28,000 Hz Impedance: 32 Ω @ 1 ,000 Hz Sensitivity (@1 kHz): 118 dB Input/Output power: 30 mW Drivers: 50 mm with Neodymium magnets Ear Cup Cushion Type: Oval Ear Cushion w/ cooling gel Connection Type USB Dongle: THX Spatial USB Audio Enhancer with Game/Chat balance Cable Length 1.3 m Approximate weight 322 g Microphone Frequency Response: 100 Hz – 10 kHz Signal-to-Noise Ratio: > 55 dB Sensitivity (@1 kHz): -38 ± 3 dB Pick-up Pattern: Unidirectional ECM boom