DN-HP700 Denon DN HP 700 DJ-Headphone, dynamically, 40mm Treiber, impedance 38 ohm, frequenzy range 10 Hz - 30.000Hz, Sensitivity (1 mW) 105dB/mW(JEITA), Max. Input 1700mW, incl coiled cable 3 m, 3.5/6.3 mm jack plugs, weight 275g