Plug & play audio interface connects line and phono inputs with your computer for recording and playback . Incl. audio software Audacity for recording and editing on CD-ROM. Directly compatible with PC and Mac - no setup required. High-resolution 16-bit/ 48 kHz converter for high-end audio quality. Line/phono input (stereo RCA), switchable. Adjustable input sensitivity . Signal/clip LED . Line output (stereo RCA) for PA applications. Powered via USB - no additional power supply required. Works with any customary software for PC and Mac.