Presonus AudioBox iOne, USB 2.0 audio interface for iPad, Mac and PC, Sturdy metal housing with rear Kensington lock hole, Low Noise Class A Preamplifier with Signal / Clipping LEDs (Green / Red), Digital conversion with 24 bit / 96 kHz and 105 dB dynamic, Frequency range: 10 Hz to 40 kHz, Total harmonic distortion: 0.008% THD, DIRECT button for zero-latency monitoring enabling you to monitor and freely mix previously recorded tracks while overdubbing (50% playback share from computer), Large master volume control, Convenient wireless transfer of recording data from the iPad directly into Studio One on the home computer, Dimensions: 150 x 135 x 44 mm, Weight: 620 g, Includes free Nimbit account for optimal marketing of productions (requires online registration) and free download of Studio One Artist + Studio Magic plugin suite@+*Connections:*@+@+, XLR microphone input with switchable 48V phantom power for condenser microphones, High-impedance jack input for electric guitar, acoustic guitar and electric bass, Balanced 6.3 mm jack outputs (L / R) for the connection of studio monitors, Headphone output: 6.3 mm stereo jack with separate volume control, Power supply via USB bus (with iPad via optional USB power adapter)@+*System requirements:*@+@+, Windows: Windows 7 SP1, Windows 8 or later, Mac: Mac OS X 10.7.5 or later, Intel Core Duo processor (Intel Core i3 or better), 4 GB RAM (8 GB or better), USB 2.0 port, Internet connection for registration and download of the software, Screen with min. 1280 x 800 px resolution, Apple iPad: iPad Air, iPad mini with Retina Display, iPad (4th generation), iPad mini, 3rd generation iPad, iPad 2, iOS 7.0.1 or later