For Windows users: Here are the measures to solve the issues below:

1) No sound comes out.

2) Cannot control rekordbox from DJ equipment.

This document is for the cases when your Windows PC where rekordbox installed is connected to a Pioneer DJʼs DJ controller.
DDJ-400 (a model that does not require installation of a driver software) and DDJ-RB (a model requiring installation of the dedicated driver software) are used as an example in this document. You may replace them with your model when you go through the steps.
If the installation procedure of a driver software is described in the Operating Instructions of your model, it requires installation of the dedicated driver software.
If not so, it is model that does not require installation of a driver software.

Case 1: No sound comes out. [DDJ-400 (a model that does not require installation of a driver software)]
Case 2: No sound comes out. [DDJ-RB (a model requiring installation of the dedicated driver software)]
Case 3: Even though your PC is connected, ”DDJ-RB is disconnected” is displayed at the left bottom of rekordbox.
Case 4: No sound comes out from your PC.
Case 5: Playback does not start on rekordbox when PC MASTER OUT is enabled.
Case 6: Your PC does not recognize the connected controller.
Case 7: Cannot control rekordbox from DJ equipment.
 * Case 3 ~ 7 are applicable for all models.

Case 1: No sound comes out. [DDJ-400 (a model that does not require installation of a driver software)]

Open [Preferences] → [Audio] in rekordbox to check the settings.
Select DDJ-400 (DDJ-400 WASAPI) connected to your PC.
Check the output channels as below.

Master Output ：DDJ-400 WASAPI:MASTER
Headphones Output ：DDJ-400 WASAPI:PHONES

Case 2: No sound comes out. [DDJ-RB (a model requiring installation of the dedicated driver software)]

Open [Preferences] → [Audio] in rekordbox to check the settings.
Select the driver software for the DDJ-RB (DDJ-RB ASIO) connected to your PC.
Check the output channels as below.

Master Output ：DDJ-RB ASIO:MASTER
Headphones Output ：DDJ-RB ASIO:PHONES

If the following error message is displayed when you selected the driver software for the DDJ-RB:

Please follow the steps below to check the installation status of the driver software.

Open [Control Panel] → [Device Manager] → [Sound, video and game controllers].
Check items related to DDJ-RB.

・If a warning icon “ ! ” is displayed on [PIONEER DJ DDJ-RB]

Select the [PIONEER DJ DDJ-RB] and right-click it to show the properties. Click the [General] tab to check the Device status.

Please follow the instructions below if an error code is displayed on the Device status.
If Code 52 is displayed:
Windows may not verify the digital signature of the driver software.

[Windows10]
Download the latest driver software for Windows 10 from AlphaTheta support site.
*AlphaTheta support site (https://www.pioneerdj.com/en/support/software/) Reinstall the driver software following “How to reinstall the driver software” below.

[Windows7]
The following update program needs to be applied:
・Security Update for Windows 7 for x64-based Systems (KB3033929) Update OS using Windows Update.
After applying the Security Update for Windows 7 x64-based Systems, reinstall the driver software by following “How to reinstall the driver software” below.

・ In the below cases:
- Other error codes are shown: -
A warning icon is displayed on [Other devices]
- [PIONEER DJ DDJ-RB] is not included in the list
Reinstall the driver software following “How to reinstall the driver software” below.

[How to reinstall the driver software]

Follow the instructions below to reinstall the driver software.

1. Disconnect the DDJ-RB from your PC.
2. Close rekordbox.
3. Open [Control Panel] → [Programs and Features] and uninstall the DDJ-RB driver software.
4. Reboot Windows.
5. Install the DDJ-RB driver software.
6. Connect the DDJ-RB to your PC.
7. Relaunch rekordbox.

・ Issues not applicable to the above

Go to “Case 4: No sound comes out from your PC “ “1. Check the default device selected in the [Sound] panel”.

Case 3: Even though your PC is connected, ”DDJ-RB is disconnected” is displayed at the left bottom of rekordbox.

・Try a different USB port on the PC. Or, change USB cables and connect them again.

Case 4: No sound comes out from your PC.

1. Check the default device selected in the [Sound] panel
   Close rekordbox.
   Open [Control Panel] → [Hardware and Sound] → [Sound].
   Click the [Playback] tab in the [Sound] panel to check what is selected as Default Device with a green check mark.
   
   When DDJ-RB is selected as “Default Device”, click a built-in device in your PC other than the DDJRB and click [Set Default].
   
   ⇒ The selected device is now the Default Device and the green tick icon is displayed on it.
   
   Close the Sound dialog box and the Control Panel window.
   Relaunch rekordbox.
2. Audio output setting in rekordbox [Preferences]
   Turn on PC MASTER OUT (Make sure the icon below is lit).
   rekordbox Ver4.5.0 or lower
   
   rekordbox Ver5.0.0 or higher
   
   Open [Preferences] in rekordbox and select [Audio] → [Output channels] → [Master Output]
   and click the drop-down menu to select a device for output destination of your PC.
   
   e.g. DDJ-400
   
   
   

   Case 5: Playback does not start on rekordbox when PC MASTER OUT is enabled.

   ・ Check the default format (sample rate) in the [Sound] panel

   Close rekordbox.
   Open [Control Panel] → [Hardware and Sound] → [Sound].
   Select [Speaker] and click [Properties].
   
   
   
   Open [Speaker] → [Advanced] → [Default Format].
   
   When you select 192000 Hz or 96000 Hz sample rate, playback may not start on rekordbox due to heavy load on your PC. 
   Select 48000 Hz or 44100 Hz sample rate for the speaker.

Case 6: Your PC does not recognize the connected controller.

Please follow the steps below to check the installation status of the driver software.
Open [Control Panel] → [Device Manager] → [Universal Serial Bus controllers].

If a warning icon “ ! ” is displayed on [USB Composite Device]

Disconnect the controller from the PC and uninstall the device driver software on the controller.

 

Click [View] in [Device Manager] and select [Show hidden devices].

In [Audio input and outputs], [Sound, video and game controller] and [Other devices], select DDJ-RB, right click it and select [Uninstall device].

In [Universal Serial Bus controllers], uninstall all of the [USB Composite Device] whose icons are grayed out.

After uninstalling the devices, please restart the PC.
After starting the PC, reinstall the driver software following “How to reinstall the driver software”.

Case 7: Cannot control rekordbox from DJ equipment.

1. When connecting your PC to the controller using a USB cable, check the startup illumination when the power of the controller is turned on.
   ・ If the startup illumination is lit: The controller is working. Reinstall the driver software and DJ software and then check the connection to make sure it works. (* It is not necessary to install a driver software in case of DDJ-400.)
   ・ When the startup illumination is not lit: The controller may be broken. Contact our customer support written at the end of the Quick Start Guide of the product or your store of purchase.
2. Check the power supply shortage of the controller.
   Connect an AC power cable to your PC if it is a laptop.
   Use an AC adapter if it is attached to the DJ equipment.
3. If the controller was working fine but suddenly stopped or an error occurred, change USB ports on the PC or replace the USB cable and reconnect it. If it still does not work, please visit AlphaTheta support site and forums to check the similar cases or post it to seek solution.
   
   ＊Support Related Links
   AlphaTheta support (https://www.pioneerdj.com/en/support/)
   AlphaTheta Forum (https://forums.pioneerdj.com/hc/en-us)
   - DJ products Forum (https://forums.pioneerdj.com/hc/en-us/community/topics)
   - News (https://forums.pioneerdj.com/hc/en-us/categories/200396689)
   - FAQ (http://faq.pioneerdj.com/)
   - Knowledge Base (https://forums.pioneerdj.com/hc/en-us/categories/200396699)
   
   ＊For repair service, contact our customer support written at the end of the Quick Start Guide of the product or your store of purchase. You can download Quick Start Guide and Operating Instructions from: https://www.pioneerdj.com/en/support/documents/ 

About Trademarks and Registered Trademarks

・ Pioneer DJ is a trademark of ALPHATHETA CORPORATION and is used under license.
・ rekordbox is a trademark or registered trademark of AlphaTheta Corporation.
・ Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
・ ASIO is a trademark of Steinberg Media Technologies GmbH.
・ The names of companies and products mentioned herein are trademarks or registered trademarks of their respective owners. 

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