A:AnswerThe black is really good (the same to the other colors). You can adjust the light of TV to you environment of content. I tried the automatic set up and does not worked perfectly. But it is easy to adjust with the remote control
A:AnswerThe media box has a proprietary cable (comes with TV) that hooks up between the TV and media box. It has HDMI 2.0 (4k content), HDMI (ARC - you can use this to adjust volume of your soundbar/sytem with your TV remote with this port) and optical audio ports you can use to hook up your sound system and PS4. Make sure you buy the HDMI 2.0 for 4K capability.
A:AnswerI have come across this on computers with highend Speaker systems, Usually has something to do with the operating system and signal processing algorithm.