no-sound Troubleshooting

No sound on the 12000mAh Kurbelradio | DAB/DAB+/UKW mit Bluetooth 5.0 | Notfallradio mit 8500mm² Solarpanel & 650mA Handkurbel | Tragbar Dynamo Solar Radio | Als Taschenlampe & Ladegerät | Für Camping Notfall

Source: JBL support — speaker troubleshooting Confidence: 80% Verified Aug 9, 2026

The soundbar powers on but produces no audio, often from a wrong input, a loose HDMI connection or a muted source.

How to fix No sound

Check the volume

Ensure the volume is not muted and is turned up.

Source: JBL support — speaker troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Reconnect the device

Reconnect the device to the app or source.

Source: JBL support — speaker troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

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