no-sound Troubleshooting

No sound on the Bluetooth Kopfhörer 2026, HiFi-Tiefbass, Kopfhörer Kabellos Bluetooth 5.4 | In-Ear Kopfhörer, 4 ENC-Mikrofone für klare Anrufe, 48 Std., LED-Anzeige, IPX7 Sport-Earbuds, für iPhone/Android und Reisen

Source: YouTube — repair & troubleshooting videos Confidence: 60% 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: YouTube — repair & troubleshooting videos Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 2 min

Reconnect the device

Reconnect the device to the app or source.

Source: YouTube — repair & troubleshooting videos Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 3 min

Replacement parts for the Bluetooth Kopfhörer 2026, HiFi-Tiefbass, Kopfhörer Kabellos Bluetooth 5.4 | In-Ear Kopfhörer, 4 ENC-Mikrofone für klare Anrufe, 48 Std., LED-Anzeige, IPX7 Sport-Earbuds, für iPhone/Android und Reisen

ZZU T18 Replacement Battery ZZU T18 Mounting Bracket ZZU T18 Power Adapter ZZU T18 Faceplate

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