If the firmware version is Ver.4.32, you don't need to update the firmware version. Please read the Update Guide to check the firmware version of your CDJ-900. This firmware is a system software program for your DJ MIXER. Please update the latest firmware to enhance the product's performance. Please read Firmware. Firmware update. Applicable Models. CDJ-900. If the firmware version is Ver. 4.10 or later, it is not necessary to update the firmware version. When you use.
Thank you for purchasing a Pioneer CDJ-900, we hope that you are happy with your product and appreciate your custom. This customer support site has been.