1. SONY like no other MDR E828LP Category Walkman headphones Subcategory Fontopia General data Type Open air dynamic Driver unit 16mm Diaphragm PET Sensitivity 108 dB mW Impedance 16 Ohm Magnet Neodymium Frequency response 12 22 000 Hz Power handling capacity 50 mW Cord type Plug Volume control Available colour s Package per Carton Both sided Y style cord im L shaped stereo mini plug Approx 6 g without cord Black Compact case Ear pads Blister 10x22x3 48