DEQX Gen 4

Support and downloads

  • Warranty registration

    If you have purchased a new DEQX, please register using the warranty registration form. This will ensure that we are able to provide you with relevant updates.  

  • Support request

    If you require help with your DEQX, use the support request form. Be sure to provide all requested information (serial number, etc).

  • Book a DEQXpert

    To get the best out of your new DEQX, fill in the DEQXpert booking form to arrange a time that we can connect to your computer and do your initial setup for you.

  • General inquiry

    If you have a general enquiry about DEQX products, use the ask DEQX form. We try to respond to all queries within three business days (Australian time).

Here at DEQX, we pride ourselves on our commitment to long-term support of our products. The DEQX-Cal software is compatible with all DEQX processors from the HDP-3, HDP-4 and HDP-5, and back to the original PDC-2.6, and many original DEQX processors have been in the field for well over two decades and continue to be used daily.

User Manual

The DEQX User Manual is a comprehensive guide to installing and connecting up your DEQX. It also includes full details on how to use the new DEQX-Cloud setup software. While your initial DEQXpert session will perform your calibration for you, all the information is there for you should you wish to do your own room measurements, or even to recalibrate your speakers yourself.

User Manual Cover-small

System Software

Gen 4 System Software, April 2025

Applicable to all Gen 4 DEQX processors.

Click on the button to download and save the system software and setup guide to your computer. Then carefully read and follow the setup guide instructions to update your Gen 4 unit.