Tech 21 RBI SansAmp RBI - 1U Rackmount Bass Preamp<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 100% analog </span></li><li><span class="a-list-item"> Dedicated Mid control </span></li><li><span class="a-list-item"> XLR Output Level control for optimum performance with PA systems. </span></li><li><span class="a-list-item"> Effect Loop with Mix 50/50 switch </span></li><li><span class="a-list-item"> XLR output with selectable levels. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31c73Ept5IL.jpg" noproxy>