Presonus AudioBox iTwo, audioninterface for usb 2.0 and ipad, up to 24-bit 96 khz, bus powered, 2 class a mic thomann input with low-noise and high-headroom, +48v phantom power, 2 switchabel line/instrument inputs, 2 balanced 6,3mm trs main line-level outputs, stereo headphone output with independent level control,1x1 midi in/out, stereo headphone output with independent level control, zero-latency monitoring via internal analog mixer, variable mix via mix knob, large main thomann volume knob, signal present and clipping leds, integrated software (download required): studio one artist daw software (mac/windows) and 6+ gb of third-party resources, transfer files wirelessly from capture for ipad to studio one, nimbit free account to distribute and sell your music construction and security: kensington lock hole, thomann metal chassis, system reuqirements: Windows: Windows 7 x64/x86 SP1, Windows 8 x64/x86 or later, Intel Core Duo processor (Intel Core i3 or better recommended), 4 GB RAM (8 GB or more recommended), Mac: Mac OS X 10.8 or later, Intel Core Duo processor (Intel Core i3 or better thomann recommended), 4 GB RAM (8 GB or more recommended), Windows and Mac Systems: USB 2.0 Port, Internet connection for registration and download of included software, Internal or external 7200 RPM storage drive highly recommended, Monitor with at least 1280x800 resolution, Apple iPad: iPad Air, iPad mini with Retina thomann display, iPad (4th generation), iPad mini, iPad (3rd generation), iPad 2, iOS 7.0.1 or higher, dimensions: 192 x 135 x 44 mm, weight: 910 g