Specifications Circum-aural open-back headphones Impedance 55 Ohms Sensitivity 104dB SPL / 1mW @ 1kHz THD 0,25% @ 1kHz / 100dB SPL Frequency response 5Hz-28kHz Loudspeaker 1.6" (40mm) Aluminum/Magnesium 'M'-shape dome Weight 0.99lb / 450g Cables provided 3m balanced cable (XLR 4-pin)...