Controlling bitbox independent cells with novation launchcontrol XL

I thought it will be useful to control independent volumes of bitbox cells while toolbox is sending a rhythm pattern from a NOTE sequence via midi.
I needed to merge 2 midi sources into bitbox so I connected toolbox into bitbox and launchcontrol into toolbox. It didn’t work because toolbox transmit only by one midi channel from a NOTE sequence. I suppose it could work if toolbox would have an omni midi mode. could it be possible?
I have found a trick to do it, however. I merged toolbox into my midi patch bay with the launchcontrol cc messages. Theese was sended throughout different midi channels to each bitbox cell