Questions & Answers for: new subwoofer humming

...subwoofer side of the speaker. When I first noticed the hum I could tap on the amp and it would go away. But after turning my hometheatre amp on it would come back. This went on for about 15 minutes. ...

...subwoofer hum when i plug inline cable If you have cables hooked up and have not installed them to the components when turned on the speaker will hum. If your electrical outlet is not grounded ...

this a grounding problem? How important is a proper ground? you must change light switch now with a new one-and grounding is very very important

...subwoofer. speaker hums when you plug it into wall. never had the speaker volume up to high so we don't understand what the problem may be. Sounds like you have a bad connection somewhere. Make sure ...

subwoofer that has a feedback hum when con I have a Yamaha amp and all the speakers work fine. Added the above speaker. No hum whem only connected to the power supply but as soon as it is connected to

subwoofer hums when on. Hum persists when speaker disconnected from amplifier. Gets louder if volume turned up. Is this a service issue or am I picking up interference from power line. 1-check your ...

...subwoofer made a loud hum as soon as I plugged in the cables. I bought new quality cables from Monoprice but have the same problem. I checked the connections, the setup, and plugged the sub into ...

i have a hum comming from my sub at all times if volume is at low listening level the hum is still there help please check the cable from the amp it mite be earthing try a new cable

...humming when rca inputs are connected, tried different cables, even brand new ones. when i hook the speaker leads into the sub it works fine with no hum... thing is, i don't want it to be hooked up ...

new surround speakers for this old receiver. First time using an active sub. Worked great. For 7 days at least. Suddenly in the middle of a film, the subwoofer started a low frequent humming noise, at