Catalinbread Callisto Chorus Vibrato Guitar Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> A twist of the DENSITY knob continuously adjusts the delay line time delivering classic chorus sounds from fat and warm to airy and subtle </span></li><li><span class="a-list-item"> The sweep depth of the chorusing is controlled by the WIDTH control </span></li><li><span class="a-list-item"> MIX knob smoothly dials everything from lush chorusing， to true pitch vibrato， to sea sickening warble， and has the ability to run clean dry to completely wet </span></li><li><span class="a-list-item"> The RATE range can go from slow and syrupy to almost ring-mod intensity </span></li><li><span class="a-list-item"> Can be powered with a standard 9V battery or a regulated 9V center-negative DC external power supply </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51EDI%2BH8CyL.jpg" noproxy>