Electronic drum and audio equipment maker Alesis has introduced the iO Dock, a pro-audio docking solution for the iPad and iPad 2 that gives users an easy way to connect the iPad to MIDI controllers, PA systems, microphones, video projectors, instruments and more. The dock is intended as a universal iPad recording, playback and MIDI device that features XLR, 1/4-inch and MIDI jacks among other inputs and outputs.