Too little bass or too much treble from product | Bose Solo TV Speaker
If the sound lacks bass or has too much treble:
Try the following:
Reposition the system to change bass response.
Check the audio settings of the connected device.
Adjust bass and treble controls on the connected audio device.
Be sure bass reduction mode is turned off.
Note: This feature is only available with software version 01.00.03. The software prior to this version will mute the system if you follow these steps. For information on software versions, see Software and firmware versions.