4 Input/6 Output or 6 Input/4 Output 2 Mic Preamps with 48V Phantom Power Balanced Line Inputs Stereo S/PDIF Input/Output Built-In Compressor, EQ and Reverb Low Latency Monitoring via DSP Mixer Up to 24-bit/192kHz Resolution USB Bus Powered Cubase LE 6 Software Mac OS X and Windows XP/7/8