no-sound Troubleshooting

No sound on the EarFun Kinder Kopfhörer mit 3,5 mm Kabel, Lautstärkebegrenzung, Blau-grün | 85 dB für kindgerechtes Hören, bequem, klarer Klang, Audio Sharing, faltbar & verstellbar, für Schule & Lernen

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 EarFun Kinder Kopfhörer mit 3,5 mm Kabel, Lautstärkebegrenzung, Blau-grün | 85 dB für kindgerechtes Hören, bequem, klarer Klang, Audio Sharing, faltbar & verstellbar, für Schule & Lernen

EarFun K1 Replacement Battery EarFun K1 Mounting Bracket EarFun K1 Power Adapter EarFun K1 Faceplate

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