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Old 01-22-2015, 08:05 PM   #1
Join Date: Mar 2014
Posts: 82
Subwoofer with Emerson system in 2014 GT 328TS.

Hi, all. The subwoofer in my coach quit working. I see the subwoofer icon on the Emerson head unit display screen, but no sound comes out anymore. Looked for fuses, didn't see one that's obvious. Will have the dealer look at it, but was wondering if anybody else has had problems? Worked great on the first few trips. This is the subwoofer that is mounted in front of the passenger seat. Thanks!

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Old 01-22-2015, 08:22 PM   #2
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Join Date: Apr 2014
Posts: 243
Ours quit too. I did some trouble shooting and found that a ground loop suppressor capacitor in line from RCA subwoofer out on unit to input of the tiny amplifier was not letting signal through. So it's gone bad. I unplugged it and put RCA directly into amp and now works. Has some engine noise when running but not terrible. I have been an audiophile for many years and the components in here are extremely cheap. I have a spare sub and amp lying around and plan to replace that cheap tiny amp and sub. I also plan to install some 6.5" components with a switch to turn on when driving. The surround speakers I can get by with for TV but there awful for driving with added road noise and there placement above your head.
Check that your amplifier is powered(hasn't blown fuse) and bypass the isolation cap to see if it works.

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