If the software connects but says "Firmware mismatch," you need to update the DSP’s firmware. A failed firmware update can destroy the unit.
: Obtain the software ZIP file from the official JBL site and extract all files to a folder on your Windows PC. jbl dsp software download
This comprehensive guide covers everything about finding, installing, and using JBL DSP software. Supported JBL DSP Models If the software connects but says "Firmware mismatch,"
The software should automatically detect the connected hardware and change its status from "Disconnected/Demo Mode" to "Connected." Overview of the JBL DSP Software Interface jbl dsp software download