no-sound Troubleshooting

No sound on the EarFun Air Pro 4 Bluetooth Kopfhörer mit Adaptive Geräuschunterdrückung | Hi-Res Audio, aptX & LDAC, Hybrid ANC, sicherer Sitz, 52 Std. Akku, Multipoint, 6 Mikrofone mit cVc, IPX5, In Ear Erkennung

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 Air Pro 4 Bluetooth Kopfhörer mit Adaptive Geräuschunterdrückung | Hi-Res Audio, aptX & LDAC, Hybrid ANC, sicherer Sitz, 52 Std. Akku, Multipoint, 6 Mikrofone mit cVc, IPX5, In Ear Erkennung

EarFun TW600 Replacement Battery EarFun TW600 Mounting Bracket EarFun TW600 Power Adapter EarFun TW600 Faceplate

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