LVY USB Audio interface The Audio interface hardware interface provides the means for connecting a microphone and an instrument or line level audio signal to a computer running Mac OS or Windows. The signals at the physical inputs can be routed to your audio recording software / digital audio workstation at up to 24-bit, 96k@Hz resolution; It is an ideal audio interface for many DAW applications running on a laptop or other computer, PC or Mac. And the device name ""GAIA HD Mic"" is displayed in the Windowscomputer device Management after contacted by USB.Display device name in Mac will be displayed as "" Note: USB Audio interface NO Software or DAW included, you need to download it yourself. Compatible with most popular recording software, such as DAW, Avid Pro Tools, Ableton Live, Steinberg Cubase, etc.48V / INST /MONITOR: Touch switch, need to touch to openAudio interface considerations1.Input 1 - electronically balanced input via 3-pin XLR socket for microphone. 48V - phantom power switch for mic input - enables 48 V phantom power at the XLR socket.2.Input 2 - ¼? TRS jack socket for connecting instruments (unbalanced) or line level (balanced) sources. INST - Instrument/Line level switch for Input 2-switches gain to suit instrument or line level signals.?INST?illuminates blue when Instrument mode is selected.3.MONITOR - selects monitoring of input signals (mixed with the DAW output)to be directly from inputs (ON) or via the DAW (OFF).4.USB LED - illuminates when the unit receives USB bus power and is confirmed by the computer as connected and operating correctly.5.GAIN 1 - adjust the gain for the microphone signal at Input 1. The gain controls have concentric tri-colour LED ?rings? to confirm signal level: Green light indicates low input level, blue light ring indicates medium input level, red light ring indicates high input level.