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Too much bass or too little treble from product | CineMate® home theater 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.
Adjust bass and treble controls on the source.
Sound quality may suffer if bass and treble controls are set to extreme levels. Try adjusting the controls to mid-range levels; this may improve sound quality. Be sure to turn off both audio enhancements and special equalizer settings found on the source
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.
Relocate the Acoustimass module to decrease bass.
Move the Acoustimass module away from a wall or corner to decrease bass response. Bass response changes with the location of the module.
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.