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Val Posted on Mar 04, 2017

Altec Lansing M604- Zune Sound Corrupted

So I just got my Altec Lansing M604 for my birthday, and it worked fine the first day, the sound quality was perfect, and I was giddy with anticipation for the many songs I'd play. I went out for a weekend and left it plugged into the electrical outlet (oops?). The next time I (correctly -I checked) inserted my Zune, and turned it on, it started doing this sort of clicking and thumping that could be associated with the bass, so I unplugged everything, did all the steps by the book to set it up, but the clicking/thumping continued. My music would play through it, but the interference every half second was understandably too much. I unplugged it, and became very frustrated. leaving it unplugged, I looked at the troubleshooting section of my manuel, but it was no help. I left it unplugged for about 15 minutes, and when I plugged it back in, the sound was fine. Thinking I just overheated it, I let it play, but there was not 5 minutes of music before the noise persisted. I've tried to correct it many times, moving the stereo to different places in the house, and even trying a different mp3 player, but nothing's helped. Please help.

  • 6 more comments 
  • Ron Beer
    Ron Beer Nov 13, 2007

    Yes- I have the same problem. A thump-thump-thump from the speakers, sometimes only after a few minutes of play. Resetting, or cycling the power doesnt make any difference.

  • jmor21 Dec 09, 2007

    I have exactly the same problem

  • op4h Dec 24, 2007

    Got it as a gift last month and now makes a popping sound when its been plugged in for over 15 minutes. Once it starts, it continues even without the Zune attached. It was great when it worked, but now it just troublesome. Does anyone know if Altec Lansing replaces these defective units? I've left a voice message with Altec Lansing support, but I sure I won't get a response until after the Christmas season.
    ps. Merry Christmas to all!

  • excow Feb 07, 2008

    I'm having the same problem as well.

  • Dartman74 Mar 19, 2008

    I have the same problem...after 10 minutes or so the speakers start making a popping sound. I tried unplugging and reconnecting each cord with no success. Help?

  • all4johnsons May 08, 2008

    I have the same problem and have tried the exact same steps that you are describing. If anyone knows of a solution, please direct me to it.


  • cozman Nov 06, 2008

    I also have the same problem with my M602 for the Ipod. It worked for about a coupe of months and then once the clicking/popping sound started it would not stop even with the Ipod removed. I have searched the internet for a solution with no answers.

  • beenerman Apr 14, 2009

    I have the same problem. I bought my unit on March 25, 2009 and it started within only one week of owning the thing. I'm talking to Altec Lansing support now to see what they are willing to do. So far they've decided to offer me a iM414 speaker dock to replace it, but it doesn't have any of the options of the M604 nor does it have the sound quality.


5 Related Answers



  • Posted on Jan 16, 2007

SOURCE: My Altec Lansing Speakers aren't working

Try rolling back soundcard drivers. I had the same problem when Win XP updated my soundcard drivers.



  • 138 Answers
  • Posted on Dec 08, 2007

SOURCE: AVS500 altec lansing computer speaker system powered subwoofer

Its due to your speaker power supply failure or switch! get them checked your speakers will be ready!


  • 1 Answer
  • Posted on Jan 19, 2008

SOURCE: Altec Lansing M604- Zune is not charging while connected?

I had this problem also...I unplugged the power from the dock for about a minute, plugged it back in, turned it on, placed my zune in the dock and it's been working ever since. Hope this helps someone.


  • 1 Answer
  • Posted on Sep 20, 2008

SOURCE: Altec Lansing 621 Problem - pls help

sell me the remote controller. junk the system and get the 5100


  • 1179 Answers
  • Posted on Dec 28, 2008

SOURCE: I have altec lansing speakers AVS500 and have no sound

It sounds like the subwoofer speaker has blown. If you are comfortable working with a soldering iron and speakers then you can open the case and replace the speaker with a replacement subwoofer speaker. A good online store for replacement speakers is


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M602 Speaker Problem,.. Popping Sound

This worked for me on my M604: Try inserting/removing a headphone plug into the jack several times to see if that clears the problem.

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The jack has a contact switch that triggers a relay inside the unit. If that contact switch is 'on the verge' of making contact, slight temperature changes may cause deform closer to it's contact target. The subsequent capacitance build-up and discharge across the gap could explain the cycle of popping noises after the unit warms up.

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time to change your remote. You also get one from Altec Lansing, but you have to RMS if you register your product, or go on and check the way to change your remote. Other than this, is go to repair shop near you , and see if the Tech personel, can check the remote, for fried line or capacitor.

Altec Lansing M604- Zune is not charging while connected?

I had this problem also...I unplugged the power from the dock for about a minute, plugged it back in, turned it on, placed my zune in the dock and it's been working ever since. Hope this helps someone.
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