You now have a bulletproof, passive volume control box that will last forever. You lose the "remote control" functionality (if your pod had it), but you gain reliability.
The volume control is a known point of failure for the T3 system, often suffering from , crackling, or "dropping out" due to a dirty or worn internal potentiometer. creative gigaworks t3 volume control replacement
You cannot turn the subwoofer off or adjust its crossover; you must unplug it to power down. This is a temporary fix. You now have a bulletproof, passive volume control