Focal Clear MG Professional, Headphones, Open, Circumaural, 40 mm Magnesium drivers, High dynamics due to optimised dome design, Very comfortable to wear due to perforated microfibre ear pads and the solid aluminium headband, Balanced sound across the entire spectrum, Impedance: 55 Ohm, Sensitivity: 104 dB SPL / 1 mW @ 1 kHz, THD: 0.25% @ 1 kHz / 100 dB SPL, Frequency range: 5 - 28,000 Hz, Dimensions (W x D x H): 250 x 240 x 120 mm, Weight: 450 g, Includes 5 m coiled cable, 1.2 m straight cable, 3.5 mm to 6.35 mm jack adapter, 2 replacement ear pads, and travel bag