Specifications Closed-back headphones S-Logic Professional standard with ULE technology (MU Metal shielding) Dynamic principle Frequency range 8 - 35.000 Hz 40 mm titanium-plated Mylar drivers Impedance 30 Ohms Sound pressure level 96 dB Nominal headband pressure 5,2 N Cable length 3 m 6,3mm gold-plated plug 3,5 mm adapter Weight (without cord) 310 g Warranty 5 years Hand-made in Germany