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Why is the Bluetooth audio in the car very quiet?

1 Answers

LeAlexander

07/29/25 6:17pm

After connecting to the car, low volume is a common issue. First, check if the call audio volume on your phone is turned on. If not, the sound will naturally be quiet. Possible causes of low volume: Compatibility: If the volume is not the issue, it might be Bluetooth incompatibility. Each car's Bluetooth device is different, and if the phone and car's Bluetooth are incompatible, it can affect sound transmission. Interference: Since the car is constantly moving and the location keeps changing, along with the high-frequency connection between the car and phone, it is prone to interference from other signals, leading to unstable Bluetooth connection. In this case, turn off Bluetooth, wait a moment, and reconnect. Lag: Over time, the phone accumulates more operational junk, which can cause Bluetooth lag. In this situation, unpair the Bluetooth, restart the phone, and then re-pair. Damage: Bluetooth device damage is also possible, including issues like microphone blockage, transmitter failure, electronic component leakage, or audio damage. Specific troubleshooting is required. The media audio and call audio on the phone are set separately. If the music volume is low after connecting via Bluetooth, it might be because the media audio on the phone is set too low. Additionally, the volume on the car's navigation system might also be set too low. If adjusting the volume doesn’t help, try disconnecting and reconnecting the Bluetooth.

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