Description from Woodbrass :
AudioBox iTwo 24-bit 96kHz USB 2.0 / iPad audio / MIDI interface with 2 mic / line / instrument inputs Introducing the next generation of PreSonus top-selling AudioBox Series recording and production solutions for Windows®, Mac® and now iPad® ! Each with Studio One® Artist digital audio workstation software with unlimited track count, and new Capture Duo one-tap recording app. Both the iOne and iTwo feature high-performance Class A mic preamplifiers with phantom power for use with studio condenser microphones, direct inputs for guitar and bass, and input for keyboards and other line level devices. AudioBox iOne and iTwo connect directly to your iPad® for recording at up to 96kHz. Then our Capture Duo or Capture for iPad apps can wirelessly beam your tracks to Studio One Artist (Mac and Windows) for editing and production. Capture Duo (two track recording) is free from the Apple Apps Store.