MODVERB brings together 3 of Mooer's most popular modulation effects with a  brand new reverb algorithm. Ambient tones are easily obtained as you  combine Flanger, Vibrato or Phaser with a high quality pristine digital  reverb. The intuitive and versatile controls make it simple to dial in the MODVERB. The modulation speed can be swiftly adjusted using the tap  tempo button and prepare to be frozen in time when you hold down the footswitch to activate eternal feedback.