Superlux HD-651 Red, Headphones, Circumaural (full size), Closed back, Dynamic, Neodymium Magnet, Peak SPL: 98 dB, Impedance: 32 Ohm, Frequency range: 20 - 20.000 Hz, Max input power: 200 mW, Cable length: 2 m, 3,5 mm Stereo jack, Weight with cable: 185 g, Weight without cable: 149 g, Colour: Red, Includes: Adapter with 6,3 mm Stereo jack