Keeley CAVERNS Delay Reverb v2 PedalThe New Keeley Caverns Delay Reverb V2 The Caverns Delay Reverb V2 dual effect pedal combines delay and reverb for the perfect end to any pedal board. It features Keeleys analog style tape delay with modulation options. The 650ms of warm delay combine with Spring, Shimmer or Modulated Reverb. Caverns now comes with a True Bypass or Trails option. Because of its small and compact design, the New Caverns is a perfect fit for any fly rig or small board