AKG K550 Closed-Back Reference Class Headphones<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Highly accurate AKG sound </span></li><li><span class="a-list-item"> Closed-back design for a fully personal listening experience </span></li><li><span class="a-list-item"> 50mm driver size for high output and detailed low frequencies </span></li><li><span class="a-list-item"> Lightweight and comfortable for hours of continuous listening </span></li><li><span class="a-list-item"> 2D-axis folding flat mechanism for easy storage and transportation </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41zR2AHXYfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ATSL2mU1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ATSL2mU1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nMAmba6gL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nMAmba6gL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41THb4MASbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41THb4MASbL.jpg" noproxy>