the t.bone HD 1500, Headphone, For use in the recording studio, for DJs or music enjoyment at home, 50 mm Neodymium Iron - Boron driver, Closed, Circumaural, Comfortable and sealed ear cushions to relieve pressure and maintain bass pressure, Ergonomic design for different head shapes, Turning radius of 180° allows one-sided listening, Foldable earcup and detachable cable for convenient transportation, Rotatable auricles, Transmission range: 10 Hz to 20 kHz, Sensitivity (± 3 dB @ 1 kHz): 100 dB, Impedance (± 30%): 42 ohms, Maximum power consumption: 1000 mW, Cable length: 2.2 m, 3.5 mm Jack plug, Weight: 345 g, Includes 6.3 mm adapter