Polk Magnifi one

Hello, so I picked up a used Polk Magnifi one soundbar, I also have 2 Polk TSB3 (right and left) speakers (no idea what they are from) and one SB-1 subwoofer. Is there any chance of getting any of these 3 things working together? Also On the soundbar it seems like the Volume, source and Power buttons do not work. Anything anyone can think of I can do to get these working? One other question is what is the port that is under the rubber piece above the Sub Sync used for? Thanks!

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