From the manufacturer: The Electro-Harmonix Voice Box packs a multi-functional vocal synth processor into a tough and compact chassis. Sing, and you'll have a troupe of backup singers following you in perfect harmony. Or use the built-in vocoder to unleash classic synth-robot sounds.Diana Ross had the Supremes, Brian Wilson had the Beach Boys, Kraftwerk had The Robots. You have the Voice Box.The harmony processor creates 2- to 4-part harmonies directly from your vocals, in the same key as your accompanying instrument. Studio-quality reverb lets you independently add depth to your dry and harmony vocals.The focused 256-band articulate vocoder, designed by the same EMS genius who made vocoding famous, features adjustable harmonic enhancement and controllable formant shift.Plug in your mic and your instrument, and let your new voice -- or voices -- be heard!US96DC-200BI power supply included*Actual unit may have updated graphic
