4 In / 2 Out USB Audio/Midi InterfaceConversion: 24-bit/96 kHz4 Ultra-low-noise microphone preamps with 48 V Phantom poweringStandalone modeBuilt-in limiter for input 1-2 to protect against clippingSafety channel with -12dB level reductionInternal multitrack, stereo or mono mixdown2 Combo mic/hi-Z instrument inputs2 Combo mic preamps / Balanced line inputsStereo RCA and 3.5 mm line inputs2 XLR and 3.5 mm line outputsBuilt-in MEMS microphoneMIDI input and outputPowered by connected unit, external power supply (not included) or 2 AA batteriesCharging function for connected unitSystem requirements: MAC (OS 10.6 or higher), PC (XP, Vista, Windows 7,8,10)Compatible with most iOS devices from iOS 6 and higher, AndroidCompatible (Android 5 and higher, for devices with USB Digital Audio Support)Dimensions: 166 x 92 x 43 mmWeight: 0.33 kgIncludes Lightning, USB-C and USB-A cable, adapter from 2.5 mm jack to MIDI jack and 4 AA batteries