Samson SR850 Semi-Open-Back Studio Reference Headphones<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Professional studio reference headphones </span></li><li><span class="a-list-item"> Over-ear design for maximum isolation </span></li><li><span class="a-list-item"> 50mm drivers for exceptional reproduction and wide dynamic range </span></li><li><span class="a-list-item"> 10Hz-30kHz frequency response， Self-adjusting headband for a secure， comfortable fit </span></li><li><span class="a-list-item"> 32 Ohm impedance， 1/8-inch to 1/4-inch gold plated adapter included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41MAEcppkgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41dHJNq5gSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gid37TNqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BFRfxN2wL.jpg" noproxy>