Roland VT-4, Voice Transformer Synth The Roland Aira VT-4 is an effect processor for the instrument inside us allthe human voice. And like the human voice, the VT-4 is easy to use, yet devastatingly effectiveWhether 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. Today's musical styles increasingly use unusual vocal sounds with heavy processing, making them stand out and grab the listener's attention. With the VT-4, you have a wealth of modern and retro vocal effects at your fingertips, with no need to resort to a complicated setup with a computer and plug-ins. All the effects a