The Optoma BG-BC100B 3D-RF Emitter is the replacement part for the 3D emitter that comes with the following 3D-capable projectors: HD33, HD3300, HD83, HD8300, GT750, GT750E and 3D-XL.
Plugs Into Projector's 3D Port
Once you attach the emitter to compatible Optoma 3D projectors, you'll be able to enjoy your 3D source (Blu-ray Disc player, computer or games console) with compatible glasses.