Police say the manager of the club claims he was pistol whipped while changing a banner outside the club.
He said he was forced to open a save and remove thousands of dollars as well as diamond rings that he was wearing.
Police say about 10 employees were in the club at the time of the attack and ran into the basement.
The suspects fled the scene.
The manager was taken to the hospital and was treated for a head wound.
Police released surveillance images of the robbers' getaway cars.
They say another image shows one of the four suspects they're seeking.
Police say one of the getaway vehicles is a 2-door blue compact car, believed to be either a Honda or a Lexus.
The other is a dark-colored Ford Exploder.
Anyone with information is asked to call police.
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