Detail 01
Up to four real-time harmonies
One vocal input can be expanded into as many as four independently controlled harmony parts.
Product detailSKU #1500000255063
RolandVT-4 Voice Transformer
1/3
Independent shopping perspective
The Korena take
Roland’s VT-4 combines vocal processing, harmony generation and phrase looping in a compact unit for stage or studio work. Feed it one vocal input and build up to four harmonies in real time, using presets or the dedicated harmony controls. Its effects and 24-bit looper support hands-on vocal manipulation, while saved multi-effects chains and scene memories keep recurring setups close at hand. MIDI-clock loop sync also lets it work alongside clocked beatmaking gear.
Strong match
Who this is for
- Live vocal or beatbox performances needing real-time harmony control, effects and phrase overdubs.
- Studio vocal sessions that need effects, four-part harmony generation and stored scene setups.
- Clocked beatmaking rigs where vocal loops need to follow an external MIDI clock.
Consider the trade-offs
When to look elsewhere
- Projects requiring more than four harmonies from a single vocal input.
- Setups that require loop synchronization without an external MIDI clock source.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
24-bit phrase looping
Vocal phrases can be recorded and overdubbed directly in the unit.
Detail 03
Scene memory: 8
Eight scene setups can be stored for recall.
Detail 04
Rear combo mic input with +48V phantom power
The rear MIC IN accepts balanced XLR or 1/4-inch TRS connections and provides phantom power.
Detail 05
Balanced L/MONO and R/BYPASS line outputs
The two 1/4-inch line outputs provide a stereo output path, with the right output labeled BYPASS.
Detail 06
AA battery power
It uses four AA rechargeable Ni-MH or alkaline batteries; listed alkaline life is about six hours with phantom power off.
Final check
Know before you order
- 01Phantom power reduces the listed battery life: about 5.5 hours with rechargeable Ni-MH batteries and about four hours with alkaline batteries.
- 02External MIDI clock is required when you want the looper synchronized to other clocked gear.
- 03The rear mic input’s phantom power is +48V, up to 10 mA.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01How many harmonies can the VT-4 create?
It can generate up to four harmonies from a single vocal input in real time.
02Can I save vocal-effect setups?
Yes. It stores up to four favorite multi-effects chains and has eight scene memories.
03Can its loops follow MIDI tempo?
Yes. The 24-bit phrase looper can synchronize to an external MIDI clock.
04Does it provide phantom power?
Yes. The rear combo MIC IN provides +48V phantom power, up to 10 mA.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsSound
- Effect Type
- ROBOT
- Sampling Frequency
- AD/DA conversion: 44.1kHz, 48kHz, 96kHz, 192kHz
10 detailsConnections & power
- Input Impedance
- MIC IN (Rear): 4.4 kohms
- Connectors
- MIC IN jack (rear): Combo type (XLR, 1/4 inch 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 inch phone type, USB port: USB type B, MIDI IN jack
- Output Impedance
- LINE OUT: 1 kohm
- Nominal Input Level
- MIC IN: -40 to -12 dBu (variable)
- USB
- Audio
- Rechargeable Ni Mh Battery Phantom Power
- On): Approx. 5.5 hours
- Alkaline Battery Phantom Power
- On): Approx. 4 hours
- Power Supply
- Rechargeable Ni-MH battery (AA, HR6) x 4, Alkaline battery (AA, LR6) x 4
- Expected Battery Life
- Alkaline battery (phantom power: Off): Approx. 6 hours
- Nominal Output Level
- LINE OUT: -10 dBu
2 detailsSize & weight
- Dimensions Wxdxh
- 6-7/8 inch x 5-1/4 inch x 2-5/16 inch
- Weight Including Batteries
- 1 lb. 4 oz.
6 detailsOther
- Memory
- Scene memory: 8
- Phones
- 24 ohms
- Current Draw
- 500 mA
- Ad Da Conversion
- 24 bits
- Mic in Front
- 2.2 kohms
- Signal Processing
- PC interface: 24 bits
