Alesis io2 (UBO) Service Manual Rev A part number 8-31-0137-A | Manualzz
Alesis iO2 Express Review / Tips - YouTube
Alesis IO2 2-Channel Portable 24/48 USB Audio Interface | zZounds
Getting Started with the Alesis Photon X 25 MIDI Controller and Audio Interface: A Quick Setup and Operation Guide | PDF | Synthesizer | Operating System