I am selling this item as I have no use for it. It is in almost new condition, but it is still a used item, so please purchase only if you understand this. I have confirmed that the sound works before listing. Returns and complaints after purchase will not be accepted. Please refrain from purchasing if you are sensitive to such matters. The following is quoted from Soundhouse: Good news for hard rock and metal guitarists! An innovative effect that realistically reproduces the doubling effect, which is said to be used in the guitar sounds of most famous songs. ■ Guitar Effects Pedal ■ Doubler Main Features ・World's first guitar doubling processor pursuing realism ・Generates up to 3 clone tracks ・Stereo input/output compatible ・True bypass ・9 V/100 mA