iFi iPurifier 2 USB Type B Digital Audio Filter<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Provides Power and Audio Separation </span></li><li><span class="a-list-item"> Sonic Purification </span></li><li><span class="a-list-item"> Housed in aircraft-grade CNC-aluminum shell </span></li><li><span class="a-list-item"> New active noise-cancellation technology </span></li><li><span class="a-list-item"> Compatible with all present and future PCM/DSD/DXD formats </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31wPWyZlOrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21MKKU5FBCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31m4VXAEC%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21ghPA1H80L.jpg" noproxy>