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Too much bass or too little treble from product | Companion® 2 Series III multimedia speaker system
If the sound lacks treble or has too much bass:
Try the following:
Be sure the system is set up properly and all connections are secure.
A connection may have come loose or may be connected incorrectly. For more info, see Setting up your product.
There are no adjustable tone controls on your Bose product.
Equalization, like bass or treble, is not adjustable on your product. You can try adjusting equalization on the connected device, if available. Try adjusting in small increments and check if the audio sounds better or worse to you. (Note: Greater adjustments can also impact volume level, which could create distorting or crackling audio.)
Adjust bass and treble controls on the connected audio device.
Many devices have sound options, like bass and treble controls or compression. Check the device menu for sound processing options and disable them. If the issue is resolved, re-add only the necessary sound options. For adjustable options, try small adjustments.
Check the audio settings of the connected device.
Many devices (i.e. cable boxes, game consoles, Blu-ray players, etc.) let you to adjust audio processing (i.e. bass, treble, compression, etc.). Disable any audio processing settings in the device menu or adjust any other related settings, then try again.
Reposition the system to decrease bass.
Move the system away from a wall or corner to decrease bass response. The rear firing port causes system tone characteristics to change depending on location.
Check if your speaker placement follows the recommendations for your system.
The placement of the speaker within the area affects how your hear sound from the speakers. For more info, see Speaker placement and positioning.
Try a different app.
If the issue only occurs with a particular app, it is likely related to the app or app settings.
Try connecting a different audio device.
If available, connect another audio device using the same cables and connections to determine if the issue is related to the first device or its settings.
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.