Numark CDMix USB - Frequently Asked Questions

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CDMixUSB ortho The Numark CDMix USB is fully equipped and ready to play music from a dual CD player, USB flash drive or an RCA auxiliary input.  This article walks through a number of frequently asked questions about the CDMix USB.


Frequently Asked Questions


Is the CDMix USB a standalone unit?

It is!  The Numark CDMix USB does not need to be connected to a computer to be used: it is a fully self-contained DJ System.


Can the crossfader be replaced?

Yes, the crossfader is a user-replaceable part on the Numark CDMIx USB.  If you need to purchase a new crossfader, you can contact the Numark parts department by e-mailing This email address is being protected from spambots. You need JavaScript enabled to view it. or by calling 1-401-658-3131. 


Can this fit in my existing case?

Yes! If you have a case that fits an older Numark CDMix product, the CDMix USB will fit right into that existing case.


What is the maximum size for the USB drives?

The maximum supported size of a USB drive on the CDMix USB is 2TB.


What USB drive formats are supported?

The following USB drive formats are supported for use: FAT, FAT32, HFS+, NTFS


What audio file types are supported?

From the USB drive, you can play back 44,100Hz, 16-bit mP3s.  


What is the signal-to-noise ratio for the AUX, MIC 1, and MASTER OUTs?

The signal-to-noise ratio is as follows:

  • MASTER OUT: 92db
  • AUX: 92db, MIC 69db


What is the frequency range of the inputs?

The CDMix USB input range is 20Hz to 20kHz - the full human audio spectrum.


What is the Total Harmonic Distortion (THD) for the CD and USB playback?

The Total Harmonic Distortion (THD) is less than  0.09%.


What is the Gain range for the MIC 1 and AUX controls?

The gain range for the MIC and AUX controls are as follows:

  • MIC: 50dB
  • AUX: 22.3dB


What is the input sensitivity for the MIC 1 and AUX?

The input sensitivity for the MIC 1 and AUX inputs are:

  • MIC 1: 3mV / 1kHz
  • AUX: 200mV / 1 kHz


What is the range for the MIC 1 and AUX EQ?

The range of the MIC 1 and AUX EQs are:

  • MIC 1: -28dB ~ 10dB
  • AUX: -15dB ~ 15dB



Further Technical Support

Whether you are a customer or dealer, if you already own an 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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