Question about Edirol UA-4FX External Sound System

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UA-4FX Very static-like feedback / interference

I have my ua4fx plugged by usb into my laptop and then connected to a yamaha av receiver through the L-R Outputs. It was fine for a while although now when its on theres this static-like feedback in the background, its okay when im listening to loud music because you cant hear it but i also noticed that the static is there when i record things through direct inputs and also via different mikes, all the same problem. It almost sounds like radio interference or something. I have updated the drivers and most other things like that. If you think of a good solution email please.

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  • davidmich73 Nov 01, 2008

    I have an HP Pavilion Laptop that runs to this device via USB and I get that same gnarley digital static thats audible at any volume level past medium. Youre right, when you play music loudly it overcomes it, but softer music and just idling on the computer without music reveals this awful noise.

  • yarvick Dec 02, 2008

    Me too with a Toshiba laptop. I use also acid 6.0 and acid looses sync sometimes. I also think it is no static but all audioglitches. Because I just installed the UA I do not know if it is caused by windows or whatever. I changed everything already: background services, all kinds of windows settings, removed all other usb devices, nothinhg works.

  • johnsylvie Jan 11, 2009

    When I record with the ua4fx there is no issue but on playback I get some background noises ?



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Its electromagnetic interference from power source of laptop. you can get an audio connection wire that reduces this

Posted on Jan 09, 2009


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1 Answer

My computer breaks down (blue screen), when I try to run my ua4fx with its own drivers I think it has something to do with my motherboard (AsRocks) and the interface. maybe a compabillity problem. I...

Try this solution. -Restart then Before Windows will appear, Click F8 then Safe Mode. then restart it again and your PC will be revive it back to normal If Problem Not Solve, Reformat it . then make a Back files for drivers and programs :D
i Hope, My Solution will help you .

Sep 01, 2011 | Edirol UA-4FX External Sound System

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Contents of box.No instructions.

when you connect the device to the pc it will detect new hardware and you will be ready to go. 
you can download the driver for your OS here:

Jan 19, 2009 | Edirol UA-4FX External Sound System

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Outgoing noise from USB port on my UA-4FX

probably not the USB cord because the chances of a faulty USB cord are slim, and I think it's the computer or the input/output chord.

Nov 01, 2008 | Edirol UA-4FX External Sound System

1 Answer

No sound out from input

It's probably your computer, more specifically the type of application you're running it on/in. Also, when you install or fiddle with the settings, you have to be careful because it can be so confusing fixinfg them.

Dec 12, 2007 | Edirol UA-4FX External Sound System

1 Answer

Recording Device Not Listed

You need to install the driver accordingly, When you buy the product it comes with installation Disk. If you dont have it now still you have solution simply download the driver from the manufacturer's website
Here is the link

Good Luck

Aug 30, 2007 | Edirol UA-4FX External Sound System

1 Answer

Problem with guitar

1.make sure the guitar/mic switch is pointed to the guitar side. increase the guitar/mic level. increase the output level. 2.another thing you can do is check the "sound and audio devices" to see if everything is set to Edirol UA-4FX. If everything isnt, fix it so that it does. and remember to disable your computers stock sound card. Edirol UA-4FX is your new sound card from now on. 3. if thats not the case, try reinstalling the drivers. 4. If all of the above fail, you probably have a loose connection/ bad wiring in the guitar/mic 1/4" input. you can choose to open up the device and solder that yourself and possibly lose your warranty or have the entire unit replaced. Hope I helped! good luck!

Apr 30, 2007 | Edirol UA-4FX External Sound System

1 Answer


make sure you have the last windows updates, i know there is a tid on microsoft for that.

Dec 10, 2006 | Edirol UA-4FX External Sound System

2 Answers

Problems with the internal efxs.

this is a usb bus powered, and maybe you got problem with the usb port, this happen many times the port can supply the correct voltage to the unit, do you have acces to other compu? try in it, if not then you are rigth, the ua-4fx is broke...good luck

Aug 10, 2006 | Edirol UA-4FX External Sound System

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