The moment you've been waiting for...Firmware update from Onkyo USA !
Released today is the Firmware enabling DTS:X™ for 2015 and 2016 DTS:X-Ready Onkyo A/V receivers.
To download and apply the firmware, please visit the individual product page or the Downloads page. The update must be applied via USB; it is not available over Network. After applying the update, you should recalibrate using AccuEQ.
Here's the link
http://www.onkyousa.com/
