Audio-Technica Solid Bass In-ear Headphones ATH-CKS55XiS BK<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Solid Bass System delivers rich bass and outstanding sound </span></li><li><span class="a-list-item"> Dual Chamber Mechanism consists of two chambers to reproduce richer and deeper bass </span></li><li><span class="a-list-item"> New two-position post adjusts earpieces for a better fit and sound isolation </span></li><li><span class="a-list-item"> 12.5 mm direct diaphragm drivers reproduce powerful sound </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31RdEqcCioL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51q6gBNE70L.jpg" noproxy>