Beyerdynamic DT-100 16 Ohm Black Studio HeadphonesFEATURES The DT 100 offers a high wearing comfort with easy care head and ear pads made from "Softskin" material. The closed construction of the ear shells ensures excellent isolation from outside noise. SPECIFICATIONS Transducer principle dynamic, closed Impedance 16 Ohms Sound pressure 94dB IEC Frequency response 30 20 KHz Circumaural Weight 340 g Delivery includes: Cable (K100. 07 3,0m) with a 6. 3 mm stereo plug Colour: Black Input1 4"monaural