DJTECH DJH200 DJ Package<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Professional Over-the-Head DJ Headphones Padded adjustable headband to fit most heads Cushioned ear pads for comfortable listening sessions </span></li><li><span class="a-list-item"> Closed-back design Swiveling ear cups for easy single-ear monitoring Driver Units : Dia 50 mm Cobalt Magnet </span></li><li><span class="a-list-item"> Impedance : 60 Ohm +/- 5% Frequency Response: 18-20，000 Hz Sensitivity: 110 dB Max Power: 100 mw </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41jV990gr8L.jpg" noproxy>