Hi there, I purchased a 55 in. Samsung UHD 4K TV, both the TV and Soundbar have HDMI Arc inputs. Do I need an ARC cable specifically, or is just a regular HDMI cable fine to use? What difference would I hear with a ARC HDMI? 
I'll have more questions later about coaxial cables.
Thanks for any assistance!
Eileen
				
			I'll have more questions later about coaxial cables.

Thanks for any assistance!
Eileen
				
		