Yamaha HPH-150B, Headphones, Dynamic, Supra-aural, Open, Impedance: 48 Ohm, Frequency range: 20 / 20000 Hz, Max. input level: 1000 mW, SPL: 101 dB, 40 mm Driver, One-sided cable route, 90 Degree swivel joints at the ear cups, 2 m Cable with 3.5 mm jack and 6.3 mm adapter, Weight with cable: 163 g, Colour: Black