Boss OC-3 Dual Super Octave Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> World's first compact pedal with true polyphonic octave effects Separate inputs for both guitar and bass Drive mode adds distortion to octave notes for a fatter， more aggressive tone Includes the original OC-2 mode， capable of producing notes one and 2 octaves down Poly Octave effect adjustable to play within a specific note range Tracks clean on low notes Boss 5-year limited warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51cqk0f6R%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Ztj14BxdL.jpg" noproxy>