Questions & Answers for: repair subwoofer humming Car Audio & Video

...subwoofer on, it continues to hum loudly. Is this repairable? If so, can I repair it myself, or do I need to send it to the manufacturer? I think that the internal power supply is at fault the rrpair ...

...subwoofer, I am getting a 60Hz hum, even when it isn't connected to the stereo. I've tried plugging the woofer into a Monster Cable filtered outlet (designed specifically for subwoofers), but I am ...

subwoofer amplifier would be suspect. Often it would be a blistered or leaking filter capacitor. It is a relatively easy/inexpensive repair. Hope this be of initial help/idea. Pls post back how things

...subwoofer emits a hum when plugged in and powered off. When the unit is turned on the hum gets louder. At this point the unit is useless. Does anyone know what could be causing this? Hiya sounds alot ...

humming noise when power is own. It is does not change whether the speaker cable is connected or not. Seems to be related to power. Speaker was made in 1999. Is it worth repairing? John You can go buy

...subwoofer has a power supply circuit problem. It would be either with the large capacitors in the first stage of the supply(most likely) or with the regulation system that supplies +-15 volts to the ...

subs hum when i turn of my stereo When it only hums when you turn On the stereo, check the cable and connections .When it hums, even without anything connected to it, then it needs repair

...subwoofer system.It is irrelivant for now.Here is a guide , how to repair or diagnose circuits which can causelike the symptoms your having.  Computer Speakers you can post an image or a picture ...

...subwoofer have the same hum when the input cables have been unplugged? Many input cables use very fine conductors, which often fail. A bad cable will often introduce a hum and prevent a signal from ...

...repair shop to look at the subwoofer amplifier. The HTS20 has a power switch so without power, there should not be any hum from the unit. Interestingly, hum, buy its nature is hard to localize so you ...