AKG K 81 DJ, DJ-headphone, dynamic, closed, ear enclosing, rated impedance 32 Ohm, efficiency 115 dB, frequency range 16-24.000 Hz, max. input power 2000 mW, stereo adapter 3,5/6,3mm, 3D-Axis folding mechanism, cable lenght 2,5m, weight without cable 150g, incl. bag