hey polo,  the s/pdif should provide you w/ the additional 2 outputs you need.  http://www.musiciansfriend.com/product/Behringer-SRC2496-ULTRAMATCH-PRO-Converter?sku=182480  ---- otherwise if you are on apple you can create an aggregate device using multiple interfaces. this is what i do. i use an mbox mini and the built-in output on my ...