Audioengine HD3 Powered Bookshelf Speakers (Pair) Walnut<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Built-in power amplifiers </span></li><li><span class="a-list-item"> High-fidelity Bluetooth® with aptX®， extended range and simplified setup </span></li><li><span class="a-list-item"> USB audio input and built-in DAC </span></li><li><span class="a-list-item"> Dual analog audio inputs and a full-range variable output </span></li><li><span class="a-list-item"> Custom Kevlar woofers and silk tweeters </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yY01EsBtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bi1TTf6HL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41OTutgGsBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BkTuIA9nL.jpg" noproxy>