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BOSS VT-1 Voice Transformer - Image 1

BOSS VT-1 Voice Transformer

DesktopDigital

Back in 1996, this little box brought independent pitch and formant control to vocal effects, letting you shift your voice a full octave up or down without that unnatural chipmunk squeak—perfect for turning one singer into a duet or convincingly swapping vocal genders.

Its digital heart shines through four key sliders on the front: Pitch for fundamental note changes, Formant to reshape vocal tract vibes like tweaking your cords, Mix Balance to blend dry and effected signals, and Reverb for lush stereo space that punches above its weight. You've got a mic/line input, mic out plus stereo line outs, and hands-on buttons for banks (preset/user), four patches per bank (expandable to 40 total), bypass, write, and that killer Robot mode for instant Cylon-style vocoder grit. At just 178 x 161.5 x 52 mm and 480g, it's a colorful, compact desktop unit powered by a 9V adapter—super portable for DJs, broadcasters, or home tinkerers, and it even handles monophonic guitar or synth lines for wild experiments.

Players still hunt these down on the vintage market, loving its zero-latency tracking and natural results on speech or song; some note the reverb can't be fully bypassed alone, but that raw, hands-free fun keeps it a cult favorite for live quirks and studio tricks.

Released

1996

Status

Discontinued

Synthesizer
Format
Desktop
Type
Vocoder
Internal Battery
No
Voice
A/D
Digital
Polyphony
-
Oscillators
-
Oscillator Type
-
Filter
No
Envelopes
-
LFO
-
Effects
Reverb, Robot
Expression
Aftertouch
No
Velocity
No
MPE
No
Additional
-
Software
-
I/O
Audio In
1x Mic/Line
Audio Out
1x Mic, 2x Line (L/R)
Headphone
-
MIDI
-
MIDI Type
-
Ports
-
Wi-Fi
No
Workflow
Arpeggiator
No
Sequencer
No
Mod Matrix
No
Memory
4 preset, 4 user patches (up to 40 patches actually)
Measurements
Dimensions
178 x 161.5 x 52 mm
Weight
480 g
Last updated Feb 26, 2026