The DS-2 Turbo Distortion features twin modes for an expanded range of distortion--taking users from blues-rock rhythms to searing leads at the press of a pedal or twist of a knob. Classic BOSS distortion tones with added Turbo modes Turbo Mode I produces warm and mellow distortion with flat frequency response Turbo Mode II provides biting distortion with a mid-range boost, perfect for leads Built-in remote jack allows users to connect an external footswitch such as the FS-5L for instant, hands-free switching between modes BOSS 5-year warranty