The House of Marley EM-DH001-IO Trench Town Rock Over Ear Headphones Freedom Collection with One Button Microphone - Iron<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Frequency response: 20Hz - 20kHz </span></li><li><span class="a-list-item"> Sensitivity: 115dB at 1kHz </span></li><li><span class="a-list-item"> Nominal Impedance: 32 ohms at 1kHz </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/518L1i-LOfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41f8OAh6B8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51cmvir9flL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31DA1Bm6xvL.jpg" noproxy>