Radial PZ-DI Piezo-optimized Direct Box<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> "Optimized for orchestral instruments on a live stage Adjustable load for piezo and magnetic pickups Variable low-cut filter to control bass resonance 48V phantom powered， does not require batteries" </span></li><li><span class="a-list-item"> Adjustable load for piezo and magnetic pickups </span></li><li><span class="a-list-item"> Variable low-cut filter to control bass resonance </span></li><li><span class="a-list-item"> "48V phantom powered， does not require batteries" </span></li><li><span class="a-list-item"> The 220k-ohm setting warms up the tone of a magnetic pickup to give you the feel and tone as if connected to a tube amplifier </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51gHp6SKUCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Cg2tvLpML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51IZ58C0BBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51k018pFgfL.jpg" noproxy>