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Roland Roland

Roland VT-4 Voice Transformer

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Radical vocal processor.

The VT-4 is an effect processor for the instrument inside us all—the human voice. Whether you’re a solo electronic artist, DJ, or singer in a band, the VT-4 lets you craft and shape your own unique vocal sounds, from subtle augmentation to radical transformation. Everything is hands on, with no menu diving or programming to get in the way. Jaw-dropping effects like harmonizing, vocoding, pitch shifting, hard tuning and more are just a push, slide or turn away. And with its compact size and five-hour battery life, you can use the VT-4 anywhere.

With the VT-4, you have modern and retro vocal effects at your fingertips. All the effects are superb, with everything from delay and reverb to formant and vocoding effects. The VT-4's performance-oriented interface lets you ride the controls in real time while you sing, so you can alter the sound to suit the track and enhance your performance. With the VT-4 you have instant control over both pitch and format with dedicated faders for each. Change your entire persona from male to female, big to small or good to evil—the choice is yours.

Transformative Effects
Achieving complex vocal effects is easy with the VT-4, and you can even use multiple effects at the same time. Use the central Auto-Pitch knob to dial in just the right amount of hard-tuned effect, then press the Megaphone button for some lo-fi raunchiness. Or, run the vocoder through a tape delay or vintage chorus. Each effect has a selection of one-touch variations, so you can get different vocoder characteristics, various lo-fi effects, multi-part harmonies, and distinct kinds of reverb and delay. Chain your effects, set the controls just how you like them, and then simply hold down a preset button to save that setup for later. Changing presets and tweaking controls is smooth and immediate, with no jarring artifacts, glitches or dropouts.

MIDI Control
The VT-4 works great on its own and can harmonize and vocode without any input other than your voice. But plugging a MIDI keyboard into the VT-4 opens even more expressive possibilities, letting you control the Auto-Pitch, harmony, and vocoder engines in real time with the notes you play. You can hard-tune your voice to specific notes as you sing, or create instant multi-part harmonies with voicings that follow your chords. The VT-4’s small footprint sits nicely on most keyboards and is easy to integrate into your setup, dishing out huge backing vocals and funky vocoded leads by the bucketload.

Fun and Games
Whether it’s a weekly podcast or nightly multiplayer battle, if you're broadcasting your voice on the internet, you only have so many ways to stand out. The VT-4's combination of small size, simple controls, and USB-audio capabilities make it uniquely suited to altering your voice for YouTube broadcasts, game streaming, podcasting, and more. Take on the persona of different characters in diverse locations, or sound larger than life when taunting your foes. Add humor, danger, wit and variety to your streaming broadcasts.


  • Wide range of effects, from subtle to dramatic
  • Battery operable
  • Exacting sound quality
  • Real-time control

Process your voice for subtle effects or radical transformation. Order today.


VT-4 Voice Transformer Specifications:

  • Nominal Input Level: MIC IN: -40 to -12 dBu (variable)
  • Input Impedance: MIC IN (Rear): 4.4 kohms
  • MIC IN (Front): 2.2 kohms
  • Nominal Output Level: LINE OUT: -10 dBu
  • Output Impedance: LINE OUT: 1 kohm
  • PHONES: 24 ohms
  • Memory: Scene memory: 8
  • Effect Type: ROBOT
  • [1] NORMAL
  • [2] OCTAVE-1
  • [3] OCTAVE+1
  • [4] FEEDBACK
    • [1] MEGAPHONE
    • [2] RADIO
    • [3] BBD CHORUS
    • [4] STROBO
    • [1] ADVANCED
    • [2] VP
    • [3] TALK BOX
    • [4] SPELL TOY
    • [1] +5
    • [2] +3
    • [3] +3, -4
    • [4] +3, +5
    • [1] REVERB
    • [2] ECHO
    • [3] TEMPO DELAY
    • [4] DUB ECHO
    • Connectors: MIC IN jack (rear): Combo type (XLR, 1/4" TRS phone), balanced (phantom power: +48V, 10 mA Max.), MIC IN jack (front): Stereo miniature phone type (plug-in power), PHONES jack: Stereo miniature phone type, LINE OUT jacks (L/MONO, R/BYPASS): 1/4" phone type, USB port: USB type B, MIDI IN jack
    • USB: Audio
    • Signal Processing: PC interface: 24 bits
    • AD/DA conversion: 24 bits
    • Sampling Frequency: AD/DA conversion: 44.1kHz, 48kHz, 96kHz, 192kHz
    • Power Supply: Rechargeable Ni-MH battery (AA, HR6) x 4, Alkaline battery (AA, LR6) x 4
    • Obtained via USB port (USB bus power)
    • Current Draw: 500 mA
    • Expected battery life: Alkaline battery (phantom power: Off): Approx. 6 hours
    • Alkaline battery (phantom power: On): Approx. 4 hours
    • Rechargeable Ni-MH battery (phantom power: Off): Approx. 7 hours
    • Rechargeable Ni-MH battery (phantom power: On): Approx. 5.5 hours
    • Dimensions (WxDxH): 6-7/8" x 5-1/4" x 2-5/16"
    • Weight (including batteries): 1 lb. 4 oz.

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