Alesis iO Dock

The only pro audio dock made for iPad and iPad 2
Connect microphones and instruments including guitar, studio monitors, PA speakers, headphones, and MIDI controllers
Universal device works with virtually every audio and MIDI app in the App Store; Core MIDI compliant
Perform, craft, create and play back music in virtually any conceivable manner or location
Video output for connection to TVs and projectors
Inputs: two combo XLR-1/4" for use with audio gear, instruments, and computer audio
Input channel gain controls and switchable phantom power for use with condenser microphones
Guitar-direct switch for use with amplifier- and effects-modeling app
Outputs: pair 1/4" and 1/4" headphone with separate volume controls
Control: MIDI In, MIDI Out, USB MIDI, and assignable 1/4-inch footswitch input