Question about Pioneer Car Audio & Video

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It seems that the sub-woofer doesn't work anymore. When I turn it a little louder the speakers start to crack. Also the display on the head unit is gone. So I can't change any audio settings to troubleshoot this problem.

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  • mmussar Oct 01, 2008

    If it is the sub-woofer being dead do you think the installation of a non stock car radio would have anything to do with it? Also would that have anything to do with the display of the head unit being gone?

  • mmussar Oct 01, 2008

    The sub-woofer was integrated with the radio. Thats what the tech at tweeter said he was gonna do. So I'm pretty sure that the sub is run off the back speakers. Cause there is no amp. I don't think the back speakers are working either now that I think of it. I have a 2003 Acura TL if that helps.

  • mmussar Oct 01, 2008

    Ok thanks. Now would the internal amp in my radio being fried have anything to do with the display not working?

  • mmussar Oct 01, 2008

    Now what would I need to get them working? Would I just need a new sub and my head unit fixed?

  • mmussar Oct 01, 2008

    My sub is a bose. Its my stock sub that came with the car. I'm thinking something fried like you said. Whether its the wires or in the radio itself. The radio is under warranty so i'll just get a new one at no charge. I guess i'll ask the tech about getting an amp. I can afford replacing one thing but not a whole system or anything like that. If the radio's amp was the problem would buying a sub amp solve everything?

  • mmussar Oct 01, 2008

    Yes thats where is is I believe. So what is it exactly I have to replace the amp or the sub?

  • mmussar Oct 01, 2008

    So if I buy a new amp and get my radio re-placed all should work good? Actually better since it would be a better amp.

  • kriscarr71
    kriscarr71 May 03, 2012

    I have a similar problem too. I have the avic-z2 with and external amp and powered sub. The amp powered the front component speakers. It sounded awesome and I was jammin out then all of the sudden the front speakers started popping/cracking and then went out and all i could hear the soft music out of the two rear speakers that are powered only by the head unit. I stopped, restarted the car and now the front speakers work but there is loud background noise/popping/ cracking and the subwoofer does not work. The front speakers work, but don't sound as loud and clear as before. The subwoofer does not work at all and I sent that back under warranty. I could disconnect the rca's from the amp for the component speakers and the cracking and popping stopped, so i am thinking the amp still works, and Like you said, maybe the sub fried my internal amp on the head unit. What do you think?



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Your sub is probably dead.....the sub crackles when you turn it up? Sounds liek you need a new one....if that isnt the case....let me know

Posted on Oct 01, 2008

  • 5 more comments 
  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008

    well did you hook up an amp to the sub or did you run the sub off of the back speakers....? that answer will explain alot to me.

  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008

    ok thats the reason why your sub and back speakers are having a problem...when you are trying to run a sub off of a radio it puts out high frequency to the sub which is designed for low frequencys only.....that could be a reason why ur sub isnt working....but also another problem is that your internal amplifier in your radio is probably fried because the amp couldnt take the extra ohms....the sub basically popped ur amp (internal) and thats why its not working.

  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008

    also thats why your back speakers arent working

  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008

    well if the display dont work then your going to want to replace that anyways...and chances are yes that amp probably got to hot causing the display to also get to hot causing the malfunction of the will need a new car radio and if you want to run a sub off of it you will need an amp with the wattage (rms) of the sub. what kind of sub do you have....model #? depending on wattage of the sub amps can vary in price from $150 up to $300 ballpark estimate. also have a pro instal it i recommend best buy...they do a great job. and they know what they are doing. as for the sub i dont think you willneed to replace that as the problem lies with the amp not the sub or back speakers....might want to have the speaker wires checked for shorts because of all the extra heat...wires melt.

  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008

    no actually the amp in ur car i believe is located (should be) in btween the rear deck speakers in the trunk at the top...itll be a small box....thats what you nned to replace along with the radio

  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008

    the amp.

  • Jarrid Crandlemire
    Jarrid Crandlemire Oct 01, 2008 got it :)



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MX6050D Subwoofer Issues

Hello, welcome to Fixya!

Fault is either from the main system or the sub-woofer itself.

You need to test both unit in order to detect which of the two is giving the fault, so that you can concentrate on the faulty unit.

Test the woofer with a AA battery or any other battery. Put your ears close to the woofer and observe if you will hear any sound. If the woofer makes sound, then it means the woofer is working, but if it doesn't make sound, then it means the woofer is defective. Or you can disconnect one of the working speakers and connect the woofer to that part. If there is no sound, then obviously, the woofer is defective.

If the woofer seem to be working, then the unit needs to be tested also.

Connect one of the working speakers to the sub-woofer's section of the main unit. If the speaker doesn't bring out sound, check the system's menu settings, check the volume and make sure the sub-woofer volume is raised to the highest level and not on mute. ( Note that most Theater systems has separate volumes for each speakers). If the volume is raised to the highest level and there is still not sound from the woofer part, then it means the woofer channel has burnt. It could be a fuse or a defective channel. At this point, I think you need help from a repairman.

I hope the above is clear.


Nov 17, 2011 | Audio Players & Recorders

2 Answers

I have a Fisher RS-909 Surrond Sound amplifier. It has no "sub out" jack. I had the sub-woofer working in the past by wiring it as shown in the manual. The problem is that the system was in...

Alright i had a chance to look over things, this is how you are going to hook up the sub. first we'll be connecting the surround sound unit to the sub woofer.
surround sound unit sub woofer
left front: positive (+) <-----to------------->(+) left speaker level in
negative ( - )<- - -to- - - - - - ->( - ) left speaker level in

right front: positive (+) <-----to------------->(+) right speaker level in
negative ( - )<- - -to- - - - - - >( - ) right speaker level in

now that the surround sound unit is connected to the sub woofer you will need to connect the front surround sound speakers to the sub woofer.
sub woofer front surround sound speaker
left speaker level out (+)<-----to--------> (+) left front speaker
left speaker level out( - ) <- - - to- - - - ->( - ) left front speaker

right speaker level out (+)<-----to--------> (+) right front speaker
right speaker level out( - ) <- - - to- - - ->( - ) right front speaker

Alright now that the wires are all over the place and plugged in
turn everything on and see how it sounds. let me know if everything is working as it should. if you need help with anything else or if something does not seem right please feel free to contact me via e-mail or phone
Mark Woodring

Feb 13, 2011 | Audio Players & Recorders

1 Answer

My Onkyo sub-woofer sounds like something is loose in it or rolling around...the sound is similar to shaking a can of spray paint. When I plug it in to the system it sounds crackly. If i turn the volume...

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. images?q=tbn:and9gcqv8lxhmuosnjkfywvef7uujnntmudkhhpl-pghy0i7xushrda- torn cloth- images?q=tbn:and9gctcogf_osbsmo3vmcu1vjnpozksylq4nojwpbojuo3w28zvb3honw
Thanks for rating good luck

Feb 08, 2011 | Onkyo SKW-200 Subwoofer

1 Answer

12'' sub woofer

cone is cracked if you see the crack sometimes epoxy or rubber glue can wrok but Id ship it back to audiobahn if under warranty otherwise buy another one as shipping and repair gets expensive

Apr 25, 2009 | AudioBahn AWES12P 12" Subwoofer Car...

1 Answer


Please check your model number, I can not find it on the JVC service website.

This is a powered sub-woofer I think. You need to have a thick black cord that connects the sub to the head unit. Then the satellite speakers get connected to the speaker jacks on the sub-woofer box. The sub-woofer should also be plugged into an A/C outlet on the wall.

The speaker outputs are labeled right there where you connect the speaker wires. You should see a red and black connector for each speaker and they are labeled "front right" "front left" "center" "rear right" "rear left".

If you do not have the thick black cord you need to connect the head unit with the sub-woofer, you can not use this system.

If you look at the head unit and give me the model number on it, I may be able to find the part you need. But I must have a good model number to work with, preferably from the head unit.


Nov 10, 2008 | JVC SPPWA670 Subwoofer

1 Answer

Hi I own a Technics Hi-Fi system (Model SC-EH780) and would like to attach a subwoofer to it. I cannot find the subwoofer unit that is supposed to go with this system. Can you help?

Any powered sub-woofer will work with it. Check the back of the Technics, make sure there is an RCA output labeled "Sub-woofer" or "Woofer" or "Sub". If so, you can get any brand of powered sub woofer and it will work. A powered sub-woofer is one with an amplifier for the sub built into the box and you will need to plug it into an A/C outlet as well. The only exceptions to what will work with this unit is to make sure you are not buying a sub-woofer that is made to only work with the companion unit it is originally sold with. Many Panasonic and JVC sub woofers are like this. Just look for a sub-woofer that is not part of any system. Velodyne makes some really great sub-woofers that would work nice with yours, but they can be a little expensive, but they are very good.

If your Technics has no RCA output for the sub-woofer, you will need to make sure that whatever powered sub-woofer you buy has a speaker level input for it. Most powered sub-woofers have this feature, so that you may just run the front speaker outputs of the receiver into the subwoofer and then the sub-woofer will have a set of speaker outputs right below the speaker inputs so you can still have your front speakers connected to that and not loose anything from your system.

I hope I have explained this in a manner you will understand easy, if not just post whatever questions you may have right on this thread and I will get back to you as soon as possible.

It would also be appreciated if you could rate this solution if you no longer need any help from me. If you do require more help, please wait to rate this until we are finished. That way I do not get an undeserved bad rating when we have not even finished our communications.
By the way, A "Thanks for trying" and "Helpful" rating are really not good, they always end up lowering my overall score.


Nov 09, 2008 | Audio Players & Recorders

1 Answer

Fuzzy & crackly

its the problem with the ac adapter which you are using might be your adapter is not working properly the adapter consists of step down transformer which is not very much durable some times so change the adapter and see if u dont have any adapter to connect just the direct wire to the supply then the adapter will be inside of woofer or the speakers change that adapter check this it works

Mar 30, 2008 | Logitech X-540 Computer Speakers

1 Answer


Your receiver has blown out you need to buy a NEW Receiver and sub-woofer (the sub isnt compatable with better receivers)

Jan 06, 2008 | RCA RT2600 System

1 Answer

Amp and sub bass playing through all speakers

You need to go into the setup menu and find out if the radio has a sub low-pass filter that redirects the bass to the pre-out for the subs, and away from the main speakers. Fiddle in the audio menu.

Apr 15, 2007 | Xtreme Sound WMS336 CD Player

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