How to Correct Reverb Level after Firmware Update

Technical Support Guide

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First, navigate to the JBL Pro Connect app's Setup Menu, and tap on the name of your speaker to enter the Channel Mixer menu.

Then, scroll down to the FX Returns section and tap to select and enter the FX Settings menu. Note: make sure FX Return level is turned up.

Lastly, adjust the Level to Mix parameter under Reverb in the FX Settings menu up towards 0dB.

Reverb will now be audible through the speaker, and can be adjusted via the Reverb/Channel 4 encoder on the speaker itself.

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​If your Reverb FX appear to be muted after updating the firmware of your EON One Compact, follow this walkthrough to restore the Reverb level on your unit.