A:AnswerYou may have a 1080 tv but using a 720 video source,
I know my tv when using the cable box, is a lower number since the box is not an HD box but my Roku delivers a full 1080 signal
A:AnswerIt will have better picture quality with an HDMI cord, but you have to check to make sure your TV has the hdmi ports. That being said, it does come with the standard yellow, white, red audio video cable.
A:AnswerIf your converter box has an HDMI output and you have an HDMI TV, you only need the HDMI cable to connect the two. An HDMI interface carries all the signals, audio and video.