Home SOUND BARS Troubleshooting There is an audio delay with my TV and TCL Sound Bar Why are the audio and video out-of-sync when using the subwoofer There is an echo effect when sound bar and TV both on Why do I Lose my Wireless Connection when streaming from mobile devices I connected my sound bar to the TV via optical cable, but I don’t hear any sound Unable to adjust the TCL Sound Bar volume using the TV Remote Why does my soundbar turn off by itself? How can I stop my soundbar from turning off automatically There's an echo effect when using a Sound Bar Can't hear anything from the subwoofer How to Reset the TCL Alto 9+ Sound Bar Audio Delay with your TV and Alto 9+ Sound Bar Popular topics