HDMI 1.4a is the system vertion of the conector (like USB2 or 3 for example) the problem with your proyector, or TV is if they are not 1.4a they wont activate the 3d function on the transmiter (Dtv, Dish, Ps3etc) and youll need an adapter like the Optoma 3d xl or the Viewsonic, but they are no...