If you are experiencing audio issues with your TCL Roku TV, such as no sound, distorted sound, or inconsistent volume levels, there are several steps and checks you can perform to resolve these ...

Check the audio settings of the Roku. If it's not hooked up to a system capable of playing. 5.1, it needs to be set to stereo. What you mean by "downloaded" can make a difference too. It's set for 5.1 ...