How To Fix Firestick Out of Sync Sound Steps to Fix 4k Fire Stick Audio Lag Problem Isn’t it irritating when you’re in the middle of watching your favorite TV show and you see your favorite character moving his lips and you can’t hear anything? If your 4k Fire Stick is giving you an audio lag then below are some of the steps that you need to follow in order to solve the problem. Note: (Follow all the steps correctly if you want to …