No sound/Distorted sound/Humming or noise in the speaker output/No voice from callers
- Check that both the speaker and the connected device are turned on.
- Turn up the volume of the speaker and the connected device.
- Check that the connected device is playing.
- Make sure the audio cable is disconnected from the AUDIO IN jack during playback in BLUETOOTH mode.
- Make sure the audio cable is firmly connected to the AUDIO IN jack during playback in AUDIO IN mode.
- If you are connecting a computer to the speaker, make sure the audio output setting of the computer is set for a BLUETOOTH device.
- Check that the speaker has established BLUETOOTH connection with the BLUETOOTH device.
- Pair the speaker and the BLUETOOTH device again.
- If the connected device has an equalizer function, set it to off.
- Keep the speaker away from a microwave oven, Wi-Fi, etc.
- Bring the speaker and the BLUETOOTH device closer together. Remove any obstacles between the speaker and the BLUETOOTH device.
- When the speaker is connected to a device with a built-in radio or tuner via a BLUETOOTH connection, noise may occur in broadcasts.
- Locate the speaker farther away from a TV, radio or tuner, etc. since noise may occur in broadcasts.
- When listening to music, select an A2DP BLUETOOTH connection by operating the BLUETOOTH device.
- When receiving/making a phone call, select an HFP or HSP BLUETOOTH connection by operating the BLUETOOTH device.
- When receiving/making a phone call, check that output of the BLUETOOTH device is set for the speaker.
