The JHS Effect Pedals - 3 Series Chorus is a classic chorus and vibrato unit made right now the road in Kansas City. Straightforward controls offer subtle double tracking to full-on floor liquefying modulation. Vibe switch removes the dry signal to give you a simple pitch vibrato. Requiring the industry standard 9v, center negative power, this new offering from JHS is priced perfectly for a beginner and carries professional quality tone.