I'm wanting to hook my PS4 up to a surround sound system I just got. I was going to use HDMI to hook up the PS4 to the surround sound, but the surround sound only has a HDMI out. Would I need to get a HDMI splitter and plug it into the HDMI out on the surround sound and then plug a HDMI cord from the splitter to the PS4 and to the TV? Or is there a better option?