K&amp;K Sound Big Twin External Guitar/Instrument Pickup/Jack<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Dual Pickup System for Increased Response </span></li><li><span class="a-list-item"> For Piano， Harp， Dulcimer， Bass， Cello， Guitar， etc. </span></li><li><span class="a-list-item"> High output - Does Not Require A Preamp </span></li><li><span class="a-list-item"> External Mount 1/4" Jack </span></li><li><span class="a-list-item"> Easy to Install and Remove </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/414Dp4XydwL.jpg" noproxy>