This is the EvilTone TapEcho, 600ms analog delay with tap tempo and modulation. The TapEcho can give you anything from a classic short slap echo up to a feedback drenched swirl of sonic cacophony. In addition to a beautiful sounding analog delay, the TapEcho features modulation controls right on top. The modulation can range anywhere from a mild tape warble to a swirling flanged vibrato effect. The EvilTone TapEcho is truly a unique effect, that belongs on everyone's pedal board. Get yours today!