Have 2011 390 sundancer only one side of speakers r working on my Sony sound system can it be fixed ? Where is the power amplifier ?

[Olsen]

found 50w amp on my 2011 dancer 370 in aft setting area behind the back rest on stbd side, behind the panel that the main and sub power amps are mounted.

[Fat_Cat]

I had the same problem. The wire came loose on the back of the speaker. Easy fix.

[Double_the_Work]

Try adjusting the balance.