Death By Audio Exit Index Analog Warped Tremolo/Tube-Style DistortionThe Exit Index from Death By Audio is an all analog tremolo with blendable distortion. Presumed untamable yet incredibly interactive and wicked cool, the Exit Index is great for expressing melancholy love and makes you turn your at first pedal testing blues licks into droning arpeggios. Four knobs Romance, Fantasy, Honey, and Blood respectively control your input signal, effect blend, tremolo speed and distortion level (simultaneously), and LFO