no-sound Troubleshooting

No sound on the Bose SoundLink Flex Tragbarer Bluetooth Lautsprecher (2. Gen.), Tragbarer Outdoor Lautsprecher, wasserdicht und staubdicht, mit naturgetreuem Klang, bis zu 12 Stunden Akkulaufzeit, Schwarz

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

Replacement parts for the Bose SoundLink Flex Tragbarer Bluetooth Lautsprecher (2. Gen.), Tragbarer Outdoor Lautsprecher, wasserdicht und staubdicht, mit naturgetreuem Klang, bis zu 12 Stunden Akkulaufzeit, Schwarz

Bose 887612-0100 Replacement Battery Bose 887612-0100 Mounting Bracket Bose 887612-0100 Power Adapter Bose 887612-0100 Faceplate

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