Question about JBL SCS135 System

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Subwoofer isn't working

When the subwoofer has been powered on for a few minutes it makes a very loud popping noise every few seconds. Suspecting damage to the wire, I switched it out for a different one and have the same results. Prior to this happening, it made a very deep, low hum if it was left powered on and the receiver wasn't. Perhaps that was normal.

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  • teesa Dec 09, 2007

    Thank you, cluepatel. I located JBL authorized service centers in my area and will contact someone this week. Any thoughts on repair costs? Hopefully this isn't designed to be a "disposable" piece of equipment as is far too common today.

  • bstuder Jan 15, 2009

    Same popping every few seconds... unhooked the speaker, powered up, light turns green unlike previous. Hooked up the speaker while the power is on (green), stays green and makes no pops but still doesn't work... power down, power up and back to popping... was fine when last put away before move... not pleased...

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  • 138 Answers

If your wire connections are normal then the problem is due your woofer speaker. Its your subwoofer circuit error and must be repair thru replacing the damaged Component in the circuit

Posted on Dec 09, 2007

  • KALPESH PATEL
    KALPESH PATEL Dec 09, 2007

    I cant say about that now. Becoz it depends upon which part is to be replaced.

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