Hello,
Question 1: I have Raspberry Pi 3 Model B (with libreelec + kodi on it) + WS2812B led strips + 5v 10A power suply + all cabling needed.
Is there a guide somewhere here how to get it work together have a nice hyperion ambilight behind my TV ? 
Some statch how to cable everyting together would be very helpfull.
Question 2: Is the power suply enough ?
Question 3: Will it also work on 4k movies ?