Question about Logitech X-540 Computer Speakers

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X-540 speakers no sound rear speakers

I have new Logitech X-540 5.1 surround sound speakers and the rear speakers only work when I have the Matrix mode on the speaker control turned on. Even then, they are at a fraction of the output of the other speakers. I have tried DVD movies, CD music, MP3's and Games, with the game options set for 5.1 surround -- with the same results -- the rear speakers only work when the matrix button is turned on -- and even then, at a fraction of the output of the other speakers. Naturally, I went into sound and audio in my control panel and under advanced settings set it for 5.1 surround. I checked to see that the volume sliders were full for all speakers. It should be noted that while playing an MP3 with the Matrix button on, I went into the speaker control under control panel and when I lowered the front left and front right volume sliders al the way, the rear speakers quit playing altogether, too, even though their volume slider were set to full volume. Needless to say, I have unplugged, replugged and double checked every connection -- I even swapped speakers around. All to no avail, leading me to believe that there is something wrong with my on-board sound module. Gateway tech support basically told me to go fly a kite, they don't test 3rd party components. Logitech support has not acknowledge me or answered me in two days. Please advise as how to troubleshoot or hopefully, correct this problem. Computer: Gateway GT-5224 w/2800 Mhz duo core and 2 GB RAM Audio: (the driver is the most current driver)
Name SigmaTel High Definition Audio CODEC
Manufacturer SigmaTel
Status OK
PNP Device ID HDAUDIO\FUNC_01&VEN_8384&DEV_7680&SUBSYS_107B5055&REV_1032\4&166E1601&0&0201
Driver c:\windows\system32\drivers\sthda.sys (5.10.5067.0 nd477 cp1, 1.12 MB (1,177,032 bytes), 8/12/2006 4:31 PM)

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  • stuart_mille Dec 02, 2008

    Every surround system I have seen allows for user defined volume of each individual speaker to adjust for distance and optimal listening environment. My computer controls in the "control panel" have this feature, but it does not work with this system.

    Moreover, zero surround output and only fake surround (Matrix) in the rear speakers does not strike me as true 5.1 surround sound, as advertised. Thank you for trying, though.

  • stuart_mille Dec 27, 2008


    Logitech support was worthless. As a result, I will probably not buy anything from Logitech ever again.

    Due to an unrelated problem I believed it was prudent to reformat the C drive and did. After reformatting (and obviously reinstalling the OS) the 5.1 surround sound worked perfectly.

    Note: The back speakers are still not as loud as I prefer and I compensate for that by reducing the front speaker-sliders and maxing out the rear speaker-sliders and this works, but this method -- while giving appropriate surround balance -- drastically reduces volume capability. So, forget about cranking your favorite song or rattling the windows with a good game.

  • gabbo333 Jan 20, 2009

    I have the exact same problem... I have mine hooked up to my TV and my computer, and on the TV they play absolutely fine, but not on the computer. I'm almost 100% sure it's not the speakers... It's Windows.

    *(&%$)(* Windows...

    Anyone know a fix, other than reformatting? It's obviously some option, somewhere...


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Rear speakers are not designed to put out the same output as fronts. They are for supplemental sound only, to make it seem like there's something happening behind you.

Posted on Dec 02, 2008

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I found a solution!!!!!!!!!! Connect the adapter as you normally would. To the green input obviously. Now to get the rear speakers stronger all you have to do is get a 3.5mm female to female coupler and connect the rear speaker wire to it(I think it is the Black one). Then on the other side of the female to female plug in a 3.5mm to RCA adapter. If you want to see what it looks like google it or look inside the Xbox 360 VGA cable pictures. Basically connect the the RCA from the green adapter to whatever console or DVD player you want to connect it to, then connect a RCA to RCA cable in the adapter that is plugged in to the rear speakers. Once plugged in to the adapter, plug the otherside of the RCA cable into whatever Monitor. That will basically put the center, sub, Rear left/right, and Front left/right on EQUAL VOLUME. The problem basically was that the adapter that came with it connected the console Directly into the Front Speakers(Green) which caused the front speakers to be on louder volume then the rest. Also by just connecting the front, you were only getting 2.1 converted to 5.1, but the matrix could not equal the volume in the rest of the speakers because it was not connected directly.So my solution breaks the sound down and spreads it evenly to all the speakers. Hope it Helps!!!!!!!!!!!!!

Posted on Dec 28, 2008

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I have the same problem. I haven't tried this, but I found the problem. The center speaker is about 14w. the rear and fronts are both about 7w. The rear sound lower because the game adapter it comes with connects to the green port, which is the front speakers, which is what makes it so strong. So I think buying a converter from the Green, Orange, and Black inputs to RCA(Red/White). that is about $5 cheapest at like best buy or a store called frys. Good luck! I'm going to try it tomorrow.

Posted on Dec 27, 2008

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8 Ohm speakers will work just fine as replacements for the
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Unfortunately this can be expressed in rms, max or peak music. The rms value (root mean square) is the only really relevant figure as this is the continuose handling power at 1 KHz. The impedance
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Well, in addition to all the fine suggestions that are here, I would like to add the simple and easy things that may have happened during the move.


1) Make sure that the wires on the terminals below are still connected to the screws. There is one ground and one each for left and right. The lower the tap the lower the (max) volume of the jukebox.If they are not connected there will be no sound.

There is a jumpers on the terminal strip where the volume control connects. Make sure that these connections are correct and tight. Also make sure that the jumpers did not fall off.

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Check the plug on the side of the mechanism, just below the back of the tone are.(looks like a little tube socket) Check to see that it is connected to the mech and the CORRECT PLACE on the amplifier. It mat be possible to have this end in the wrong place. bf77613e-82a3-4e37-b8fe-cc80f4d4dbcb.jpg

Check all all your connections against the pic.

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