Presonus Audio Interface, PC/Mac/iOS-2 Mic Pres (Audiobox iTwo) Bus-powered USB 2.0/iPad audio and MIDI interface (2) combo mic/instrument/line inputs with low-noise, high-headroom, Class A mic preamplifiers and +48 V phantom power; (2) 1/4 " TRS Main and (1) 1/4 " Headphone outputs Start recordings with Capture Duo for iPad one-tap recording application, then finish songs with wireless transfer to included, easy-to-use Studio One music production software for Mac/Windows Software includes 27 Native Effects, 4 virtual Instruments, and over 6 GB of beats and sample content Compatible with almost all recording software for Mac, Windows, and iPad Studio-quality 24-bit resolution; 44.1, 48, 88.2, and 96 kHz sampling rate