M-Audio AIR 192 4, 2-Channel USB Audio Interface, 24-Bit/192 kHz, Low-noise M-Audio Crystal preamp, Mic/Line input (input 1): 1 XLR/Jack combo, 48 V Phantom power, switchable, Instrument input (input 2): 6.3 mm Jack, 2 Outputs: 6.3 mm Balanced jack (volume control for output 1+2), Headphone output, USB bus-powered, Dimensions (W x H x D): 198 x 71 x 152 mm, Weight: 0.9 kg, System requirements: USB 2.0 or USB C, Windows 7 (32- or 64-bit or Mac OS X 10.8 or newer), Includes downloadable software (Pro Tools - First M-Audio edition, Ableton Live Lite & Eleven Lite, Avid Effects Collection, AIR Music Tech Creative FX Collection, AIR Music Tech Xpand! 2, AIR Music Tech Mini Grand, AIR Music Tech Vacuum, AIR Music Tech BOOM, 2 GB of Touch Loops content)