Earthquaker Devices Dispatch Master Delay & Reverb PedalThe Dispatch Master is a hi fi digital Delay & Reverb Device that combines independent delay and reverb effects into one space saving enclosure, so you can keep deep ambient echoes (or just a quick slapback) on speed dial. The best selling EarthQuaker Devices pedal just got bester [sic] with new Flexi Switch Technology! Want to dip into ambient delay and reverb sounds for just one note? Press and hold the footswitch for as long as you use the effect,