Hi - I just purchased this Samsung TV model UN50ES6100F which will run with RCN cable using a Motorola DCX700-M. Here is the issue - We built and wired into the walls speakers, 3 HDMI cables, Cat 6, USB, ethernet and RG6 going to the closet where the speakers wires are. I FORGOT the audio cable!! Is there a way for me to get sound from the TV via either the Motorola DCX700-M (this will be in the closet) OR via an HDMI from the TV? Should I get or do I need a receiver to power the 4 speakers that I have? Thanks for your help.