The dual sabers are one of the three saber types. This stance is only available in JKA and not in JKO.
Dual wielding is where the player holds two light sabers in each hand.
Like the other choices in jedi academy, Single and Staff it also has selected stances that has it own set of strengths and weakness. Yellow Stance and Blue Stance
Yellow style is its main stance when using the dual wielding and gives the player to swing both blades.
Blue style allows the player to put away one saber and the same as Single, its slow and fast speed but very weak. If used correctly it can be very deadly to the unaware player.