18i16 is the complete portable studio hub for producers. Whether you're on the go, hopping between sessions, or recording at home, you'll always have access to two of our finest preamps, plus instrument, line, and MIDI connections for whatever the project throws your way: guitars, keys, synths, grooveboxes, or controllers. And if you're looking to expand your channel count, it's easily done with S/PDIF and ADAT.