Looking for some help. I have My Macbook pro ( No DAW installed at this time can't afford right now.) and Ipad air ( Auria pro DAW installed) connected to my ica4+. I connected a 2nd ipad (mini) via a powered HUB to my ica4+ to play instruments and record them in my ipad air. MY ICA4+ nor my ipad air recognize my ipad mini. Any suggestions would be much appreciated. Thanks in advance anyone.