Hey,I saw a digital in-out board from Mutec, for S1000-1100 on the bay :https://www.ebay.fr/itm/Mu-Tech-Akai-S1000-S1100-Digital-I-O/123423907353?hash=item1cbca35e19:g:b1cAAOSwn4pbmpc-:rk:1:pf:0Cheers.