Numark NS7III - Troubleshooting Audio Issues In Serato DJ

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numark ns7iii orthoFor Mac users, the Numark NS7III is a class-compliant MIDI and audio device which automatically installs to your Mac computer. The full version of Serato DJ requires no setup and should map to the NS7III and route the audio automatically. Sometimes, other programs or audio configurations may prevent this from happening. This article reviews some of the most common causes of audio routing issues between the NS7III and Serato DJ.  



Make sure the NS7III is detected by your computer

For Mac users, The Numark NS7III is a class-compliant MIDI and audio device. There's no need to download a driver or check OS compatibility as the computer will recognize the controller automatically. However, Windows users should install the Windows Driver v 1.0.0 driver from the NS7III product page.  If you're NS7III doesn't seem to be connected to your DJ software or you can't hear any audio, the first thing you should do is check to make sure that your computer is recognizing the controller.  


On a Windows PC, the quickest way to check whether or not the NS7III is being recognized is to open the Windows Device Manager

The Numark NS7III should be located under Sound, Video, and Game Controllers.

numark ns7iii devicemanager 

If the NS7III is NOT located under Sound, Video, and Game Controllers, or there is a yellow "!" or "?" next to it, the controller is not being seen correctly. Please see our guide on Troubleshooting Class Compliant USB Computer Peripherals.  


On Mac OSX, you can check your Audio MIDI Setup to tell whether the NS7III is connected. From your Mac's desktop click on Go > Utilities and select Audio MIDI Setup. Make sure that the NS7III is shown in both the Audio Devices and MIDI Studio windows. 

numark ns7iii audiowindow  numark ns7iii midisetup2

If the NS7III is NOT located in either window, or it appears dim and grayed out, the controller is not being seen correctly. Please see our guide on Troubleshooting Class Compliant USB Computer Peripherals.


Uninstall Soundflower (Mac OSX)

Soundflower is a popular audio utility for Mac OSX that allows re-routing of audio signals. If you're having difficulty with the audio in Serato DJ or Serato DJ Intro (particularly hearing the output through your computer's speakers instead of through the NS7III), uninstalling Soundflower may help. 

  1. From your Mac desktop, click on Go > Applications.
  2. Open the Soundflower folder. 
  3. Double click on Uninstall Soundflower.scpt.
  4. Press the "Play" button to run the uninstall script. You may be prompted to enter your computer's password. 

    numar mixtrackpro3 4

    After the uninstall script has completed, you will see "Done!" in the lower window. 

    numar mixtrackpro3 5

  5. Restart your Mac and Soundflower will be uninstalled. 


Remove Aggregate Devices (Mac OSX)

An Aggregate Device is a virtual device driver for Mac OS that allows the combination of different physical inputs and outputs to act like one device. This is especially useful if you have multiple audio interfaces and you want to use them at the same time. Some programs may even create them automatically, such as Pro Tools, so even if you've never created one yourself it might be a good idea to check your Audio MIDI Setup

  1. From your Mac's desktop click on Go > Utilities and select Audio MIDI Setup.

  2. In the Audio Devices Window, select the Aggregate Device.

  3. Click the "-" at the bottom of the window to remove the Aggregate Device. 

    numark ns7iii audiowindowaggregate
  4. Restart the computer. 


Perform a New Configuration under Audio MIDI Setup (Mac OS X)

Lastly, users who've connected multiple class compliant DJ controllers or MIDI controllers to their Mac's can sometimes cause a conflict or over load in their configuration under Audio MIDI Setup.  Your controller may not connect correctly to your computer.  The following section will show you how to perform a New Configuration under Audio MIDI Setup.  

  1. In the top right hand corner of your computer screen, click on the Spotlight icon (magnifying glass).

    Numark MTP3 spotlight

  2.  Type the words Audio MIDI Setup.  Select Audio MIDI Setup.

    Numark MTP3 selectaudiomidisetup

  3. Under Window, select Show MIDI Studio.

    Numark MTP3 selectmidistudio 

  4. Under Configuration, from the drop down window, select New Configuration.

    Numark MTP3 newconfiguration

  5. Name your new configuration Numark or whatever you think is suitable for your setup.  If your NS7III is currently connected to your computer, disconnect it and then re-connect it.  You should see your NS7III displayed.  

    numark ns7iii nameitnumark 

  6. Use this configuration whenever you connect your NS7III to your computer.  


Where can I find further support for this and other Numark products?

Whether you are a customer or dealer, if you already own a Numark product, or if you just have pre-sales questions, the Numark technical support team is available to help! Visit the link below to connect with any of the following support options: online community support, phone support, email support. 



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