Yamaha HPH-50B Stereo Headphones - dynamic, on-ear-design, closed-back, 35 ohms impedance, frequency range: 20 - 20.000 Hz, maximum input power 1000 mW, sensitivity: 103 dB, 38 mm drivers, two-sided cord, 90° swiveling hinges on the ear cups, 2 m cable with 3,5 mm plug and 6,3 mm adapter, weight with cable: 133 g, color: black