Ebtech Hum Eliminator (8 Channel XLR)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Prevents Hum From Ground Loops </span></li><li><span class="a-list-item"> Converts between balanced/unbalanced signals </span></li><li><span class="a-list-item"> XLR jacks </span></li><li><span class="a-list-item"> Passive (no power required) </span></li><li><span class="a-list-item"> Reversable rack Ears </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Vn4ntseOL.jpg" noproxy>