Main Features -> USB audio interface with mixer functionality -> Combines a mic, instrument and line source with a computer audio signal and feeds the mix to your computer via USB -> Ideal for broadcasting (live streaming) over the internet -> Four inputs with dedicated level controls: - Microphone input (balanced XLR/TRS on rear or unbalanced mini jack on front) with switchable limiter and Signal/Overload indicator - Guitar input (standard phone jack) - Stereo line input (RCA) - Stereo audio input from computer via USB -> Stereo audio output to computer via USB or directly to RCA output jacks -> Monitor output (RCA) and headphones output (mini-jack) with level control -> Zero-latency hardware monitoring -> Can be used as a simple stand-alone mixer -> Operates using standard Windows (WDM) and Mac OS X (CoreAudio) audio drivers -> Audio resolution up to 16 bit/48 kHz -> USB 2.0 equipped (also supports USB 1.1) -> USB-powered, no AC adapter required -> Solid aluminum case Computer requirements Supported operating systems Windows XP 32-bit/64-bit Windows Vista 32-bit/64-bit Windows 7 32-bit/64-bit Mac OS X 10.3.9 or later Drivers WDM (Windows standard driver) Core Audio (Macintosh standard driver)