Re: when the volume is low the subwoofer sounds good, but...
If the sub doesn't appear to have any damage like broken surround or a torn spider then I would suspect the amp may be having problems. What impedance are the speakers, what impedance can the amp handle, how do you have it wired to the amp?
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Very common problem with today's receivers. Receivers made today don't have a true preamp section in the amplifier and do not amplify the sound to the extent of an older receiver. I have large 15" front speakers on my system, and have stuck with my 15 year old receiver just because I know that a new receiver will not have the power to drive them well. Many of the newer receivers need to be turned up to 50-60% before you can even hear anything from the speakers.
sub woofers are very powerful bass , with incredible sounding technology. your problem might be with the woofer wall around the circle. open the box and take the woofer out.Check if there is any tare over the corners of the cloth. sometimes there might be a crazy noise because of a little opening in the cloth caused by small tare.. if so better change it with a new 1 and make sure that the new cloth has guaranty
damaged sub woofer eg.
Thanks for rating
It could be the foam edging where the speaker meets the edge of the cone. Rubber works better than foam, and I believe kicker uses foam for this model. Check for any missing screws because sometimes air leaks make that sound you hear. also try turning down the amp a little bit
1 OHM...ONE... sheesh now thats a low resistance for anything... If they are only 500 watts and they are in parallel, series well NO.. your amp puts out wayyyy too much for those speakers.. 1200w versus 500 watts by 2... srill NOT enough "Head room" for it to be safe... about half is all you could expect before Pop.. sound is heard.
Information I find online says it an Active Subwoofer, so that introduces its own amp as a possible source of the symptom. If there is another version of this model that's passive, all the more reason to believe the amp is the problem because passive speakers don't spontaneously emit sounds.
If there was a physical reason for the crackling I would think more power would make it worse or blow it up.
A poor sub signal cable connection might explain low current anomalies if random noises are entering the signal path.
Make sure the signal, speaker and power cables are not aligned parallel and close to each other.
First try to reinstall the sound software.
If that doesn't not work and you have the volume at the maxium within the software on you computer. Conside buying a external soundcard like SoundBlaster,turn the "onboard" sound off and use the new sound.
well if you hear a rattle sound its probably already blown...and the amp could be drawing too much power if the radio shuts off...make sure all your wiring is correct. also if your car is off and you turn it up it will most likely shut off cause the battery cant handle it. but as for the sub i think its blown. good luck