Helix Rack is a new kind of guitar processor: it’s not only a tour-grade rack mounted multi-effect processor that sounds and feels authentic, it’s also one of the most comprehensive master controller for guitar systems ever built. Start by recreating the tones in your head with ...Helix Rack is a new kind of guitar processor: it’s not only a tour-grade rack mounted multi-effect processor that sounds and feels authentic, it’s also one of the most comprehensive master controller for guitar systems ever built. Start by recreating the tones in your head with the new HX modeling engine - the new amps, cabs, mics, and effects will feel familiar to anyone who has ever spent time in the studio getting the best guitar sounds from both vintage and modern gear.