How to Access the VMA Series Amplifiers Hidden Features
Table of Contents
Question:
How do I Access the VMA Series Amplifiers Hidden Features?
Answer:
The JBL VMA Series amplifiers include hidden functions that can help you check system information or reset Bluetooth settings. These features are accessed using button combinations on the media player section.
View Bluetooth MAC Address
- Press and hold RECORD for more than 1 second.
- While holding, press and hold Bluetooth (BT).
Result: The display shows the Bluetooth MAC address.

Check Firmware Version
- Press and hold STOP for more than 1 second.
- While holding, press and hold Bluetooth (BT).
Result: The display shows the firmware version.

Test Display
- Press and hold PLAY/PAUSE for more than 1 second.
- While holding, press and hold Bluetooth (BT).
Result: All segments on the display light up.

Factory Reset Bluetooth
- Press and hold REPEAT for more than 1 second.
- While holding, press and hold Bluetooth (BT).
Result: Bluetooth settings reset to factory defaults and all paired devices are removed.

NOTE:
Use the factory reset if you experience pairing issues or want to clear previous connections.