Maxon RTD800 Real Tube Ovedrive/Distortion Guitar Effects Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Selectable Overdrive and Distortion circuits provide wide range of tube sounds， from traditional overdrive to high-gain distortion </span></li><li><span class="a-list-item"> Post-distortion tube configuration for more realistic tube tone </span></li><li><span class="a-list-item"> Three independent tone circuits to diminish cross-talk and frequency overlap， allowing for an unprecedented degree of tonal options </span></li><li><span class="a-list-item"> Foot switchable boost circuitry with variable boost of 3-9 dB </span></li><li><span class="a-list-item"> Power adaptor included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ZEI9EbXjL.jpg" noproxy>