AKG K550MKII sealed headphone new generation 50mm diameter dynamic driver adopted reference black K550MKIIBLK<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Highly accurate AKG sound Closed-back design for a fully personal listening experience </span></li><li><span class="a-list-item"> 50mm driver size to enjoy outstanding sound from any device Lightweight and comfortable fit for hours of continuous listening </span></li><li><span class="a-list-item"> 2D-Axis folding flat mechanism for easy storage and transportation 3.5 to 6.3mm adapter </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41e47YcEODL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31UFfG0GnFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31TXgCOQDFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IDtrqYD1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ab99suoYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DIsc9IOhL.jpg" noproxy>