TCL 8111 Series User Manual page 37

I hear distorted sound.
Make sure all cables are properly connected.
Make sure you have selected the correct source.
Make sure the TV is muted if you play audio from
the TV.
I cannot find the Bluetooth name of this Sound Bar
on my Bluetooth device.
Make sure the Bluetooth function is activated on
your Bluetooth device.
Make sure the Sound Bar has paired with your
Bluetooth device.