Need to link 2 controllers like Master-Slave

I am trying to manage 4 motors (2+2) like a tank. Now I am working with other controllers "MD22" but I need more power. Is it possible to link two controllers like master-Slave? The motors are 12Amps/24DCVots

One possibility is to wire the two motor on the same track in parallel so a dual controller will act like if driving two motors 24 Volt / 24 Amp each.
You can do tank like steering with our controller. If you do go with two motors in parallel then you may want to use our AX2550.