Akai Professional E2 Headrush Delay/Echo/Looping 16-bit Digital Delay - Delay time from 0.5ms to an astonishing 23.8 seconds maximum Real-time delay control - sets delay time by tapping footswitch twice Tape Echo mode with four individual outputs for each head Looping Recorder with overdub mode - Powerful tool for solo performances Selectable Fixed or Adjustable Loop Level