Add 2 extra switches to your Fractal Audio FC-6, FC-12 or FM3! More options, less bank switching,... Can be used as stand-in switches. You can assign any function! Soft switching. Connect up to two DUO+ switches (with a TRS cable) for a total of 4 extra footswitches.
 
Dimensions:
Height and length: Same as FM3/FC without rubbers
Width: 5,5 cm