Features: Plug: Gold Plated 1/8" (3.5 Mm) Stereo Plug With 1/4" Adaptor Wide Frequency Range Delivers Full Bass And Detailed Highs Optimized Performance For Use With Most Pro And Consumer Audio Devices Closed-Back, Circumaural Design Rests Comfortably Over The Ears And Reduces Background Noise Single-Sided Cord With Oxygen-Free Copper Wires Driver Size: 50mm Sensitivity (S.P.L): 115dB±3dB/mW(at 1KHz) Impedanc...