High resolution (24-bit192kHz) 2-track audio recording and playback. Flexible LOOPBACK feature - perfect for live recording or webcasting. "D-PRE" studio quality mic preamps with high gain and low noise. Easy control and pro sound with 1-TOUCH COMP/EQ, EFFECT and AMP SIM processing. +48V phantom power on CH1 input for condenser mics and Dl boxes. Hi-Z input for guitars on CH2. iPad (2 or later) connectivity via Apple iPad Camera Connection Kit (requires external USB power supply). USB bus-powered for Mac & PC. Rugged metal chassis.