Roland VG-99

The Roland VG-99 is a guitar modeling and multi-effects processor. It is designed to emulate the sound of a variety of electric and acoustic guitars, as well as other instruments. It has been used by a variety of artists, including Steve Vai, Joe Satriani, and John Petrucci.

The VG-99 works by using a combination of digital signal processing and modeling technology to create realistic guitar sounds. It has a variety of features, including a built-in expression pedal, a variety of amp models, and a range of effects. It also has a built-in USB port for connecting to a computer, allowing users to access additional sounds and features.