Electro-Harmonix Ring Thing Modulator Guitar Effects Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Multi-wave selection for modulation and Ring ModLow pass Filter for Ring Mod and single side band modes. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61GhQZNq4RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/8166E9oWj1S.png" noproxy>