GrandMA2 Faderwing
"The grandMA2 fader wing offers a comfortable way to increase the number of motorized executor faders and executor buttons. Up to four grandMA2 fader wing can be connected to a console – i.e. 60 extra motorized executor faders are available in total.
The grandMA2 fader wing resembles the grandMA2 consoles in regards to fader and button layout as well as its whole appearance and is therefore the perfect hardware addition."