Searched but couldn't find an exact answer to this. I've got a tailgate speaker with a red/white RCA input on it. I'm trying to run sound to it from a wireless genie (want to watch the Olympics outside by the pool, but TV speaker too weak). Genie has an S-connection marked "audio out" so I'm wondering if I buy a cable like this one, will it work? Will I have to adjust anything on the genie to switch it over to this output? The video will go through the HDMI cable so I'm not sure if there's something I'll need to tweak in the settings. Thanks for any help and guidance!