It is important to get the right audio/video cables installed. Today's Ultra 4K requires cables that are 18gbps. Don't pay extra at the stores for HDMI cables or Optical cables. For smaller TV's in bedrooms or other areas or where you are streaming it won't be necessary to have any cables attached or just regular HDMI cables will be needed if you aren't watching TV in 4K from DirecTV, Cox, Dish or through connected devices to the TV, just the Smart TV feature if applicable.
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