Reverb and tremolo guitar pedal effect gives players a simple and beautiful sounding way to end their pedal boards. Reverb and Tremolo often sound best at the end of your guitar rig, after effects like compression, fuzz or overdrive. Developed in collaboration with Eddie Heinzelman. Includes Keeley's popular Spring Chamber and Plate reverb with 8 algorithms: 2 Spring, 3 Spring, Plate, Hall, Chamber, Room, Fugue, and Slapback. Tremolo with 8 vintage modes: Sine Wave, Square Wave, Harmonic, Dynamic Harmonic, Pitch Vibrato, Ramp Trem, Les’Rotary Speaker, U-Vibe.