TC Electronic Level Pilot， High Resolution Computer-Independent Analog Level Control<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> High resolution computer-independent analog level control </span></li><li><span class="a-list-item"> Power free - No power-supply required </span></li><li><span class="a-list-item"> Compact design， smooth ergonomic feel， and 'Tight grip' rubberized bottom plate </span></li><li><span class="a-list-item"> Fully balanced XLR connectivity </span></li><li><span class="a-list-item"> Quad core fully balanced extension cable to avoid messy cabling on your desk </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/413atIJU8VL.jpg" noproxy>