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How Do I Make My Bose Surround Sound Louder? [Solved]

Under Center Level or Surround Level, tap the Right and Left arrows on either side of the volume bar to turn up or down the center or surround speaker levels.

Easy Install Bose 300 Surround Speaker | Virtually Invisible | Affordable way

I had installed

How to Adjust the Volume of Surround Sound Speakers : Audio Tips

Adjusting

BOSE 700 SOUND SYSTEM AFTER 4 MONTH OF USE AND HOW TO MAKE BOSE 700 SURROUND SPEAKERS LOUDER

after 4 month of use review