FAQ Categories Troubleshooting | rekordbox｜DJ software for professional DJs

Nothing happens when I connect rekordbox for iOS (ver. 4) to the USB terminal of a CDJ/XDJ/DJM.

In rekordbox for iOS (ver. 3 or later), the process for making a wired connection has changed from the previous method of connecting from a USB Type-A terminal to a USB Type-B or Type-C terminal.
To learn how to connect, click here.
Traditional connection methods limit file transfer speed, and file formats such as WAV/AIFF and FLAC/ALAC can’t be used.
With rekordbox for iOS (ver. 3 or later), we've changed the wired connection method to allow these file formats, and to improve stability.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-12681

I’ve connected my mobile device and DJ equipment to the same Wi-Fi network, but even if I tap [Connect to CDJ/XDJ/DJM] in rekordbox for iOS, it won’t connect to the DJ equipment.

Communication between devices may be blocked by network security.
Wi-Fi router security settings may block communication between devices. Please check the settings of your Wi-Fi router.
If you're using a VPN connection, please turn off the VPN connection.
A firewall blocking the communication can be one of other possible reasons.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-3648

When PRO DJ LINK is connected, the tracks of the streaming service is not displayed on DJ equipment or mobile device.

When PRO DJ LINK is connected, the tracks of the streaming service cannot be used.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100065

I rotated the mobile device sideways, but the screen does not become DJ screen.

Turn off the rotation lock function of your mobile device and turn it sideways again.

If you are connected to PRO DJ LINK, your screen will be locked to portrait mode.

*It may not be possible to rotate the mobile device sometimes, such as when displaying a pop-up message.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100053

“Failed to activate the mobile device. Wait a while and try activating again.” was displayed when I tried to activate the mobile device. What do I do next?

Mobile devices with rekordbox for iOS/Android ver. 3.4.2 or earlier installed cannot be activated.

Please use one of the following rekordbox versions.

rekordbox for iOS/Android ver. 3.4.3 or later

Please also see here.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-45345

I can’t play tracks from my iOS Music app via rekordbox for iOS.

Tracks deleted from the iOS Music app won't be available in rekordbox for iOS.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-3626

I can’t use track search when a rekordbox for iOS track is loaded to DJ equipment.
I can’t call up a Hot Cue on another track when a rekordbox for iOS track is loaded to DJ equipment.

You can't use track search when a track is loaded to DJ equipment using rekordbox for iOS.
You can't call up a Hot Cue on another track when you’re using rekordbox for iOS because selected Hot Cues are canceled when you change the track that’s being played.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-3637

When rekordbox for Mac/Windows (ver. 5) is connected via Wi-Fi, the error message [No mobile device is found] appears and it won’t connect with rekordbox for iOS/Android (ver. 3).

You can't connect rekordbox for Mac/Windows (ver. 5) with rekordbox for iOS/Android (ver. 3) via Wi-Fi.
To do this, you'll need to use rekordbox for Mac/Windows (ver. 6) or later.
Library sync features are made possible by the reconfigured libraries in rekordbox for Mac/Windows (ver. 6) and rekordbox for iOS/Android (ver. 3).
If you connect rekordbox for Mac/Windows (ver. 6) and rekordbox for iOS/Android (ver. 3) via Wi-Fi, you can use the new library sync feature, Mobile Library Sync.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-12585

I connected rekordbox for Mac/Windows and rekordbox for iOS to the same Wi-Fi router, but I can’t find my mobile device in rekordbox for Mac/Windows.

Communication between devices may be blocked by network security.
Wi-Fi router security settings may block communication between devices. Please check the settings of your Wi-Fi router.
If you're using a VPN connection, please turn off the VPN connection.
A firewall blocking the communication can be one of other possible reasons.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-12606

I can’t import some tracks to rekordbox for iOS.

The types of audio files listed below are not supported in rekordbox for iOS:
・Audio files downloaded from Apple Music
・Audio files not downloaded from iCloud
・Audio files protected by Digital Rights Management (DRM)

*For Apple Music users
If "Sync Library" is enabled in Apple Music, you can't use audio files downloaded from Apple Music in
rekordbox for iOS because they’re protected by Digital Rights Management (DRM).

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-12763

Even if I tap [Connect to CDJ/XDJ/DJM] in rekordbox (iOS) on iOS 14 or later, it won’t connect to the DJ equipment.

In iOS 14, and later versions, you'll need to allow rekordbox to access your local network. You can do this in the iOS settings.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100002

Why can’t I find my mobile device in rekordbox (Mac/Windows) even when I tap [Connect to rekordbox (Mac/Win)] in rekordbox (iOS) on iOS 14 or later?

In iOS 14, and later versions, you'll need to allow rekordbox to access your local network. You can do this in the iOS settings.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100001

I can’t change the SMART FADER settings.

If you are connected to the DJ controller, access [Settings] > [DJ Controller Device Name] to use the setting items to change the settings.
If you are using the app on its own (device is turned sideways), access [Settings] > [General] to use the setting items to change the settings.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100087

When I connect to a DJ controller with a USB cable, there is no sound from the mobile device.

When you connect to the DJ controller with a USB cable, no sound is output from the mobile device.
To do so, use the MASTER output terminals and headphones output terminals of the DJ controller.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100055

If you are connected to the DJ controller via Bluetooth, no sound comes from your mobile device, or the sound is at a very low volume.

When connected via Bluetooth, access the volume controls on your mobile device and use the MASTER LEVEL knob on the DJ controller to adjust the volume.
Check that both are set to an appropriate volume.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100091

When I connect to DJ Controller with Bluetooth and press the Headphones CUE buttons (channel)/(master), there is no sound from the DJ Controller headphones.

When you are connected to DJ Controller with Bluetooth and you want to use the Headphones CUE buttons (channel)/(master), enable Split Output with the following steps:

Connect the split cables to the mobile device.
Connect the L side of the split cables to the speaker, and the R side to the headphones, as shown in the figure below.
Open the rekordbox for iOS settings. Under Audio, turn on Split Output.

(1) Speaker with built-in amplifier, etc.
(2) Headphones
(3) Plug for the speaker with built-in amplifier, etc.
(4) Plug for the headphones
(5) Split cable (not supplied / This is supplied with DDJ-200)
(6) USB/Lightning to 3.5 mm headphones jack (not supplied)

Split cables whose functions have been tested are as follows:

(Manufacturer / Model number / Product name)
Native Instruments / － / Traktor DJ Cable
Sound Active / 3.5-STJX2–0.5M / Exform iDJ Split Cable

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100054

When I connect to DDJ-FLX4 with Bluetooth, there is no sound from the MASTER output terminals and headphones output terminals of DDJ-FLX4.

When you connect to DDJ-FLX4 with Bluetooth, no sound is output from the MASTER output terminals and headphones output terminals of DDJ-FLX4.

To do so, use the speaker or headphone terminal of the mobile device.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100056

When I connect to DDJ-FLX2 with Bluetooth, there is no sound from the MASTER output terminals and headphones output terminals of DDJ-FLX2.

When you connect to DDJ-FLX2 with Bluetooth, no sound is output from the MASTER output terminals and headphones output terminals of DDJ-FLX2.
To do so, use the speaker or headphone terminal of the mobile device.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100089

Sound is only output from the iPad when connected to DDJ-FLX2 through a USB cable. What should I do to output audio from DDJ-FLX2?

Change the iPad settings with the following procedure.

Closes all apps other than rekordbox for iOS.
Display control center and tap the AirPlay icon.

Select DDJ-FLX2.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100092

There is no response even after I connect the DJ controller and my mobile device with a USB cable.

Establish a connection via Bluetooth.
Some DJ controllers and iOS devices with Lightning terminals may not communicate even if connected via USB.

*For details, refer to your DJ Controller Instruction Manual.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100083

I can’t connect rekordbox for iOS and the DJ controller with Bluetooth.

Check the Bluetooth indicator and perform the following.

If the Bluetooth indicator is lit up, this indicates that rekordbox for iOS and the DJ controller are connected via Bluetooth. Long-press the [BEAT SYNC] button on both decks on the DJ controller to disconnect the Bluetooth connection.
If the Bluetooth indicator is not lit up, this indicates that rekordbox for iOS and the DJ controller are connected via a USB connection. Close the DJ software running on the device connected via the USB connection or unplug the USB cable.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100086

Sound skips, cuts, or is affected by unwanted noise. What should I do?

The environment you're using the mobile device in may be a factor.
The following may solve the issue:

Update your rekordbox for iOS to the latest version
Turn off the mobile device and turn it on again
Quit all other applications
Try disabling the wireless network or other wireless connections, antivirus application, low-power mode, etc. (Before quitting antivirus security software, disable the internet connection to ensure the security of your mobile device.)

If the problem persists even after addressing the above, please get in touch at Inquiries.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100084

When I tried to download tracks via Cloud Library Sync, the message “Download Error: Unable to download some tracks because no file was found.” was displayed.

You will see download errors when:

There are no tracks in Dropbox
There are no tracks in Google Drive.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-50651

If you add the Cloud Option, launch rekordbox for iOS, and turn on the Cloud Library Sync, you will be unable to operate rekordbox for iOS.

If your version of rekordbox for iOS is old, this symptom may occur. Upgrade to version 4.1.0 or higher before use.

https://rekordbox.com/en/support/faq/troubleshooting-errors-mobile/#faq-q100066

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