Product Description Effects pedal Vocoder and Harmony Machine. Includes 9,6DC-200 PSU power supply. From the Manufacturer The 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!Features• Intelligent vocal harmonies: follows the chords you play on your instrument and the note you sing to create from 2 to 4 part harmonies in the same key as your instrument.• Natural Glissando: harmony notes will follow your natural glissando between notes without interval stepping.• Tracks any electric instrument you plug into it.• Vocoder mode.• Very professional quality pitch shifting algorithm produces realistic harmonies.• Gender bender knob allows for male/female formant modification.• Voice Mix knob allows you to mix the harmonies to taste.Want lots of 5th and a little 3rd? You can do that.• Low Harmony mode produces two harmony notes: a 3rd and 5th, both below the note you sing.• High Harmony mode produces two harmony notes: a 3rd and 5th, both above the note you sing.• Low/High Harmony mode produces one 3rd below and one 3rd above.• 3 Multi Harmony modes allow for more complex harmony combinations above and below the note you sing plus octaves.• Octave mode produces notes exactly one octave above and below the note you sing.• Whistle mode is a fun new effect that synthesizes a whistle tone exactly one octave above the note you sing.• Separate reverb controls are available for both your dry and effected vocals.• Built-In Mic Pre with Phantom Power and Gain switch.• Balanced XLR Line Output to interface directly with any mixing board or A/D converter.• High impedance, very low noise instrument input and output so your guitar signal stays intact with no loss of tone.• 9 user presets to save with footswitchable recall.• Tough and compact die-cast chassis.• US96DC-200BI power supply included.