The Mackie DL32R is a digital mixer in a 19" rack with 32 input channels. The DL32R can be used as an USB audio interface. Recording on an USB hard disk is also possible.
The DL32R will be controlled wireless via an iPad and the Master Fader iOS app from Mackie.
Dimitri Metzeltin from Loud Technologies presenting the digital mixing system Mackie DL32R and the Master Fader software in the following video.