Steinberg UR12, 2-Channel USB 2.0 Audio Interface, 24 Bit / 192 kHz, 1x D-PRE Class-A microphone preamplifier, +48 V phantom power supply, Loopback function, Latency-free monitoring, 1 XLR mic input, 1 Hi-Z instrument input 6.3 mm jack, 2 RCA line outputs, 1 Headphone output 6.3 mm jack stereo, Fully metal housing, Apple iPad support, USB bus-powered, Compatible with Windows, OS X and iPad (with optional Apple iPad Camera Connection Kit/Lightning to USB Camera Adapter), System requirements: Windows 7 SP1/8/8.1, Mac OS X 10.7.5/10.8/10.9/10.10, Intel or AMD Dual Core CPU, 2 GB RAM, 4 GB free hard disk space, USB 2.0 port., Dimensions: 159 x 46 x 144 mm, Weight: 850 g, Includes Cubasis LE DAW app for iOS and Cubase AI (download versions)