Roland VG-88

The Roland VG-88 is a guitar modeling and multi-effects processor. It was released in 1998 and was used by many professional guitarists, including Steve Vai, Joe Satriani, and John Petrucci. The VG-88 works by taking the signal from the guitar and processing it through a series of digital models that emulate the sound of various amplifiers, effects, and other guitar-related sounds. It also has a built-in expression pedal that can be used to control various parameters. The VG-88 has a variety of features, including a built-in tuner, a variety of amp models, a variety of effects, and a built-in phrase sampler.