Ultrasone Signature Master Studio headphone - -Signature series from Ultrasone, S-Logic 3 technology, ULE-Shielding, dynamic, closed-back, circumaural, 40 mm Mylar / Titan drivers with Double Deflector Fin (DDF), NdFeB magnet, frequency range 8 - 42,000 Hz, 32 Ohm impedance, sound pressure level 98 dB, ear and head pads made of merino leather, incl. 3 m straight cable with 6.35 mm Neutrik TRS plug, 1.5 m cable with 3.5 mm Neutrik TRS plug, 1.2 m straight cable with microphone, control buttons and 3,55 mm jack, spare pair of ear pads made of vegan leather and a high-quality transport box, weight 325 g