Too little bass or too much treble from product | Bose Solo 10 series II TV sound system
If the sound lacks bass or has too much treble:
Try the following:
Reposition the system to change bass response.
Be sure the bass adjustment is set properly.
Check the audio settings of the connected device.
Adjust bass and treble controls on the connected audio device.
Try connecting a different audio device.
Check to see if Dialogue Mode is on or off.
Replace the cables used to connect your product
Determine if the room size is too large or the distance from the system is too far.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.