Sound is not heard from all speakers | Lifestyle® SoundTouch® 135 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.
Try a different audio device.
Connect and play another audio device through your product. This can help determine if the issue is isolated to the first device.
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.
In the system menu, select a different sound setting.
Different sound settings are available in your system help optimize audio for the content you play. For more info, see Changing and using Sound settings.
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.
Switch the speaker wires on the output of the receiver.
At the back of the receiver, switch the connection of the speaker wire that may not be working properly with one that is working properly. If the problem does not stay with the same speaker, contact the manufacturer of the receiver for assistance
Try switching the speaker:
Swap the speaker that isn’t working with one that is. If the issue follows the same speaker, it may need service. Scroll down and click \"Start a repair or replacement\" to explore your options.
Switch the speaker wires on the output of the Acoustimass module.
At the Acoustimass module connection panel, switch the connector of the speaker that may not be working properly with the one that is working properly. If the problem stays with the same speaker, the speaker wire is defective. Replace the speaker wire. Be sure the connectors are returned to their original jacks
