The Boss GT-1 Multi-FX Guitar Effects Processor is a multi-FX guitar effects processor featuring 108 effect types, 99 presets and a looper. The GT-1 is highly portable and easy to utilise for a variety of applications. It is driven by a powerful Boss GT-series engine, which gives you access to a huge selection of amps and effects for all types of music. A streamlined interface enables quick and intuitive sound creation, whilst an assignable control switch and expression pedal provide dynamic real-time effects adjustment.