The Radial USB-Pro is a high-resolution stereo digital audio converter (DAC) and direct box that is designed to connect to any computer system to seamlessly transfer digital audio to analog. A stereo pair of balanced XLR audio outputs with adjustable level control then feeds the signal to a microphone preamplifier, PA system, mixing console or even a powered speaker! Made for plug and play simplicity, the USB-Pro will automatically be listed as an available sound card in the audio settings in all popular operating systems. Software compatibility: Windows XP/Vista/Win7/Win8/Win10 and Mac OS, Sound file compatibility: WDM, MME, CoreAudio, DirectSound, WASAPI and .WAV • MFSKU R800 1050 00 • UPC 676101040599