MOOER Modverb - Reverb + Modulations MODULATION EFFECT / REVERB PEDAL FOR GUITAR Modverb combines three of Mooer's most popular modulation effects with a brand new reverb algorithm. Ambient sounds are easily achieved as well as combining Flanger, Vibrato or Phaser with pure, high-quality digital reverb. Intuitive and versatile controls make tweaking the Modverb simple. The modulation speed can be quickly adjusted using the tap tempo button and frozen at the moment the pedal is held down to activate infinite feedback.