Monoprice Component & S/PDIF Digital Coax/Optical Toslink Audio to HDMI Converter does what it says. While it isn't without its quirks, it does work. Mostly. Monoprice has a singular reputation in the ...

I've got the A20 model, and I run optical and HDMI for the same time, just like you describe. I would think that the A2 should be able to as well.