Numark CDMix Bluetooth - FAQ

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numark cdmixbt main3Known for their intuitive layouts and groundbreaking capabilities, Numark’s CDMix Series CD players have been an industry standard for more than a decade. CDMix Bluetooth adds to the legacy, giving you a dedicated channel to mix tracks from any Bluetooth music player or phone, so you can drop any track, anytime, and be ready for anything.  This articles walks through some Frequently Asked Questions about the Numark CDMix Bluetooth.


Frequently Asked Questions

  1. How many mic inputs are there?
  2. Can both mic inputs be used simultaneously?
  3. Is the cross-fader user-replaceable?
  4. How do I open the compartment for the Bluetooth device?
  5. My Bluetooth device is not connecting to the CDMix Bluetooth, what should I do?
  6. What kind of power supply comes with the CDMix Bluetooth?
  7. Can the CDMix Bluetooth be used in a different country?
  8. My CDMix Bluetooth is not reading some of my CD's.  Why not?
  9. Where can I get further technical assistance?



How many mic inputs are there?

There are two mic inputs on the rear of the CDMix Bluetooth - one is a balanced combination XLR / 1/4" input and one is a 1/4" input.  Connect a mic to the MIC1 XLR input and the controls on the front of the CDMix Bluetooth for the MIC channel will adjust the incoming signal.  If you would like to use an additional microphone, connect a microphone to the MIC2 input.  To route the MIC2 signal to the mix, flip the AUX channel's INPUT SELECTOR (located at the top of the front panel) to MIC2 and use the AUX channel controls to affect the incoming signal.


Is the cross-fader user-replaceable?

The Numark CDMix Bluetooth cross-fader is a user-replaceable part that can easily be swapped out if necessary.  Should you need to replace the cross-fader, contact the Numark Parts Department at 1-401-658-3131 ext. 1407.  The part number for the CDMix Bluettoth Crossfader Slide Pot is 15020019-N and they can provide you with stock and pricing information.

If you have any further questions, contact Numark Technical Support.


How do I open the compartment for the Bluetooth device?

The integrated rubberized pad at the center-top of the CDMix Bluetooth is a perfect spot to rest a small Bluetooth music player while you stream music wirelessly.  This portion of the product is not meant to be removed or adjusted in any way and is specifically designed as a location to safely place your portable Bluetooth capable device.


My Bluetooth device is not connecting to the CDMix Bluetooth, what should I do?

If you experience trouble pairing or playing music, first update your device’s OS.  If your Bluetooth device prompts for a pairing code at any time during the pairing process, enter ‘0000’.

To pair your Bluetooth device with the CDMix Bluetooth, follow the steps below

  1. Power on your Bluetooth device.

  2. Power on CDMix Bluetooth.

  3. Press and hold the PAIR button for 2 seconds on CDMix Bluetooth to go into Pairing Mode to search for Bluetooth devices.

  4. Go to your Bluetooth device’s setup screen, find CDMix Bluetooth, and connect to it. The Bluetooth logo in the center of the Bluetooth Controls will illuminate when your device is paired successfully.

  5. To disconnect pairing, hold down the PAIR button on CDMix Bluetooth for 2 seconds. The Bluetooth logo in the center of the Bluetooth Controls will no longer illuminate to confirm pairing is disconnected.

  6. To Pair and connect to another Bluetooth device, repeat Steps 3-4.

    Note: Maximum range will be achieved when using devices with Bluetooth 4.0.

If you continue to experience difficulty after following the steps above to pair your devices, contact Numark Tech Support.


What kind of power supply comes with the CDMix Bluetooth?

The CDMix Bluetooth uses a standard IEC cable to connect to a power source.  It is manufactured with an internal 110-240V, 50-60Hz, 34W, 1A  auto-switching power supply which allows for use in foreign countries within the 110-240V power range.


My CDMix Bluetooth is not reading some of my CD's.  Why not?

If a player on your CDMix Bluetooth is not reading any CD at all, including store-bought disks, contact the Numark Technical Support team for assistance.

If the difficulty occurs only with burned disks, or only with some burned disks, this generally indicates that the disks themselves are the most significant factor.

The suggestions included below might be helpful in this case:

The importance of using high quality media and slow burn speeds

Your clients depend on you, you depend on your gear, your gear depends on the media you feed it.  We recommend that DJ’s be as picky as possible when choosing the brand of CD-R, and the burning speed they use.  If store-bought disks are playing fine, but burned disks are not, then it means there are significant enough errors on the burned disks that the CD is in danger of not being fully playable in all machines.  If one player (that plays store-bought disks fine) has difficulty even one time, this means that the disk has significant errors on it. Consider re-burning it on higher quality media with a slower burn speed.

By using high quality media, and slow (i.e. not 52x) burn speeds, you can create disks with low errors.  The slower the burn speed, the fewer the errors. This way, the buffer in the CD player can be used to ensure that when your disks get beat up down the line, they can still play.  If the buffer is used up dealing with the errors induced by poor media or fast burn speeds, then the lifespan of that disk will be extremely short (regardless of the player you use).

We often use a car tire analogy: Treads on new tires aren’t as thick as they are because tires require that thickness to be safe.  The treads on new tires are thick because we know the tire will wear over time, and we want them to last as long as possible.  Using poor media or fast burn speeds is like choosing to drive on bald tires.  You can do it (my dad sure did), and you may find people who will say they’ve driven thousands of miles on these tires with no problem.  While you may be fine for a while, and could make a habit or a career out of it, the danger is always there.  When people are depending on you, you want as much buffer between you and disaster as possible.


CD-RW disks are not supported.  When burning your own music, purchase disks that are labeled CD-R only.

Enhanced CD (also known as CD Extra or CD Plus)

Enhanced CD is a format that included extra contact such as videos, photos, computer applications etc.  This format is not supported by Numark CD players.

Variable bitrate (VBR) MP3 files

Many Numark CD players (including the CDMix Bluetooth) support MP3 CD-R disks.  For the best playability and fastest read times, we recommend using constant bitrate MP3 files.  Variable bitrate files are more difficult to read and are not recommended. Make sure your MP3 encoding software is not set to use Variable bitrate (VBR).

CD-R Audio and CDR-Music

Disks labeled “CD-R Audio” or “CD-R Music” are different than “CD-R”, and are not recommended.

“CD-R Audio” or “CD-R Music” disks are required by certain types of stand-alone consumer audio CD-burners which were commonly sold in the consumer channel, usually as part of home theater systems.  Products that require these disks are relatively rare in the marketplace today.  Computers do not require these types of disks, and using them can lead to read difficulties.


Sony CDRM80 CD-R Music (CRM-80/30SP)

When burning disks for use in any professional DJ CD player, it is recommended to use disks simply labeled “CD-R” for any computer-based burning, or with any burner that does not specifically require disks labeled “CD-R Audio” or “CD-R Music”. Stand-alone burners which do require “CD-R Audio” or “CD-R Music” disks will create disks which may have difficulty reading in some players.

In addition to the above, we always recommend using high quality media and slow burning speeds to minimize error rates (which improves readability and longevity).


Numark Technical Support & Warranty Service

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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