Endless possibilities. The Boss GT-100 Effects Processor is a versatile multi-effects unit that produces a wide range of highly expressive sounds. By utilising Bosss COSM amp technology you get to choose from over 20 highly detailed models that capture the essence of vintage valve amps. Always be in control of your sound. Dual LCD screens and 8 panel knobs give direct access to ever parameter allowing you to fine tune any of the assigned effects with ease. Transport this amazing floor unit to and from your gigs with the included Roland CB-GT100 Carry Bag. With detailed effects and advanced amp models this powerful multi-effects unit is the ideal solution for the gigging musician who wants everything in one simple package.