Pigtronix BST Guitar Volume Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> J-FET instrument pre-amp </span></li><li><span class="a-list-item"> Up to 20db of clean boost </span></li><li><span class="a-list-item"> Includes Pigtronix 18V power supply </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51XXRPiLG8L.jpg" noproxy>