Question about Edirol UA-4FX External Sound System

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Problem with guitar

When I connected my guitar to the UA-4FX it can not detect any signal and the audio level was not light up. Is there anything that I could do?

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Re: 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!

Posted on Sep 03, 2007

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Hi, my Edirol UA-4fx is having a problem. The Advanced Effects don't work at all. I get audio, but without any of the effects. Nothing lights up on the faceplate except for the blue usb light. I've tried...

Unplug, change the hardwae switch on the unit to "advanced driver" = "off" and reconnect. It seems that the onboard effects are not available when in advanced mode. :(

Dec 28, 2010 | Edirol UA-4FX External Sound System

1 Answer

Can't Record and Only hearing playback via laptop.

Check you XP machine for SP3, go into the sound manager and make sure that the input your using is not muted and set as default.

Aug 04, 2009 | Edirol UA-4FX External Sound System

1 Answer

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

1 Answer

Edirol UA 4FX _Short Audio Signal dropout

try runing a cleaner ccleaner and ace utituies ok that stop those hickups give a atry make pc run alsot faster

Jan 28, 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


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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