How To Set Mic Level On The PRX ONE Powered Column PA
Written by Ernesto Hernandez
Updated at April 3rd, 2026
Table of Contents
Brand:
- JBL
Model:
- PRX ONE
Overview:
This article shows how to set the mic level on the PRX ONE Powered Column PA.
How To Set Mic Level On The PRX ONE Powered Column PA
1. Make sure that the channel where the microphone is connected has a green LED.

2. Turn the GAIN knob clockwise until you reach 20 db. This will automatically set that channel to Mic Level.


3. Once set to 20 db, turn the MAIN/MENU knob clockwise to adjust the master volume and test your mic until you hear audio.
4. If you need more volume, just readjust the GAIN and MASTER VOLUME until you find the perfect volume for your speaker.
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