iPad interface with audio, video and midi ins and outs

SPECS
Audio Inputs: 2 x XLR-1/4" Balanced TRS Individual gain controls Phantom power, switchable Guitar (high-impedance) switch on Input 1
Audio Outputs: 2 x 1/4" Balanced TRS Main 1/4" TRS Headphone Individual level controls
Control I/O: MIDI In (DIN) MIDI Out (DIN) USB MIDI 1/4" Footswitch (function assigned by apps)
Power: 12V DC, 2A, center-positive
Dimensions (Length x Width x Height): 8.5” x 10.5” x1.25”; 216 mm x 267 mm x 32 mm Weight: 2.1 lbs; .95 kg

http://www.alesis.com/products/legacy/io-dock-ii