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Software & Firmware Download

Pro DJ Equipment

Dear CDJ-400/CDJ-400-K Customer

firmware update

Applicable Models


* If the firmware version is 1.33 or above, it is not necessary to update the firmware version.

How to determine if your CDJ-400/CDJ-400-K requires the firmware update.

Turn ON the power to your CDJ-400/CDJ-400-K
Press and hold the RELOOP/EXIT button for approx 10 seconds.

• The units firmware version will then be displayed.
• To exit, turn the power OFF and then back ON again.

Firmware Update Release Notes.

Ver.1.30 -> Ver.1.33 (1 June, 2011 Update)

*Bug Fix - it wasn't possible to set CUE point in a top part of track, when playback the MP3 file.

To Firmware Update Procedure