Shure SRH1840 Professional Open Back Headphones (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Individually matched 40 mm neodymium drivers for unparalleled acoustic performance with smooth， extended high-end and accurate bass </span></li><li><span class="a-list-item"> Open-back， circumaural design for exceptionally natural sound， wide stereo image， and increased depth of field </span></li><li><span class="a-list-item"> Lightweight construction featuring aircraft-grade aluminum alloy yoke and stainless steel grilles for enhanced durability </span></li><li><span class="a-list-item"> Steel driver frame with vented center pole piece improves linearity and eliminates internal resonance for consistent performance at all listening levels </span></li><li><span class="a-list-item"> Ergonomic dual-frame， padded headband is lightweight and fully adjustable for hours of listening comfort </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51-KWB-w%2BlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BORqzDslL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zzgaFg8qL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41VWFVBK7zL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UeXBEkvWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Sn8gXiOhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/817bcqzl5nS.png" noproxy>