The suspects forced their way into the store when an employee arrived for work.
The robbers made the employee and two others get on the floor while they took several laptops, iPhones and cash.
They drove off in a white vehicle after another employee interrupted the robbery in progress and called 911.
If you have any information that could help track down these suspects, call Burbank police at (818) 238-3333.
City News Service contributed to this report.