Multi-channel and stereo USB audio interface for PC/Mac. Connect to iPad with Apple iPad Camera Connection Kit or Lightning-to-USB Camera Adapter (sold separately), plus 2 AA batteries or optional AC adapter for power. Two mic/line inputs with high-performance mic preamps. High-quality recording and playback at resolutions up to 24-bit/96 kHz. Compatible with Zoom interchangeable input capsules via 10-pin connector. Standalone AD/DA conversion. Functions as a two-channel mic preamp with analog and digital outputs. Approximately 4 hours of operation with 2 AA alkaline batteries. Includes download code for Ableton Live 9 Lite. Four-channel simultaneous inputs. Hi-Z support (input 1). Zero-latency direct monitoring. Three TRS phone jack outputs. Dedicated RCA L/R and headphone outputs. MIDI I/O. S/PDIF optical/coaxial input and output. Gain control knobs for each input. +48V phantom power for inputs 1 and 2. Accepts standard AA alkaline or NiMH rechargeable batteries