Sony MDR-7510 Professional Studio Headphones with 50mm Driver Unit<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 50mm Driver Unit with PET Diaphragm </span></li><li><span class="a-list-item"> Closed-Ear Design </span></li><li><span class="a-list-item"> Wide Frequency Response </span></li><li><span class="a-list-item"> High Power Handling Capacity 2，000mW </span></li><li><span class="a-list-item"> Stereo Unimatch Plug </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cxvvRrBiL.jpg" noproxy>