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Sound is not heard from all speakers | Lifestyle® 135 series II home entertainment system
If you do not hear sound from a bass module connected to your system, here are some suggestions.
Try the following
Check if the lights on your system show the bass module is connected.
If the system lights do not indicate the bass module is connected, try reconnecting the bass module. For more info, see Understanding LED indicator status lights and information and Connecting the bass module.
See troubleshooting for Too little bass
If there is no or too little audio coming from the Acoustimass module, see Too little bass or too much treble from product.
There are no balance controls on your Bose product.
Volume from the left and right speakers cannot be adjusted.
For issues with DVDs, try a different audio track (if available).
Some DVDs have multiple audio tracks available in the DVD audio/sound menu. In the DVD menu, select a different audio track and listen for differences.
Try playing a song from artist, collection or music service.
Some media might be made for one speaker (i.e. old recordings or some news or voice recordings). Try a different track, like a newer pop song, and listen for a difference.
Run the ADAPTiQ audio calibration to optimize the sound of your system.
Since different environments affect how sound is heard, use ADAPTiQ can calibrate you system. It listens to how your speakers sound in your room, then adjusts the sound as needed to optimize sound quality. For more info, see ADAPTiQ system setup and deactivation.
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