Three large LCD displays with intuitive amp and stomp box interface, Looper function with 40 seconds of phrase recording and overdubbing * 12 amp or 99 stomp box models can be used in any combination, Integrated drum machine and auto-chromatic tuner * Personally designed patches by Victor Wooten (Bela Fleck and the Flecktones), David Ellefson (Megadeth), Frank Bello (Anthrax) and Doug Wimbish (Living Color) * Over 100 built-in ZFX-IV DSP effects, Create and store up to 100 original tones, USB audio interface for DAW recording, Balanced XLR output and selectable modes for DI use * Over six hours of operation using four AA batteries/USB bus power (AC adapter included), Includes Edit&Share and Steinberg Sequel LE recording software