About this item 
    
           
 Headphone Type: Dynamic, closed Magnet Type: Neodymium  
  
 Driver Size: 40.0 mm Frequency Response: 10-20kHz  
  
 Impedance: 63 Ohms Sensitivity: 106 dB/W/m  
  
 Power Handling: 1,000mW Plug Type: Gold, Stereo Unimatch plug 1/4" and 1/8"  
  
 Cord Length: 9.8 ft Weight: 8.1 oz  
  
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