Synthrotek.com’s sweet delay unit, packaged in a totally ballistic case, with true bypass stomp switch. Works on really any instrument. Check out our videos on the blog to see how this sounds coupled with our other products. Only 8 of these bad boys, get them while they are hottt!!! TAKES 9V CENTER NEGATIVE wall wort, or 9V battery. Not responsible for you blowing the circuit by reversing polarity. BUY the pedal HERE!