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Sony WH-1000XM4 Help Manual
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29.08.22, 13:50
Wireless Noise Canceling Stereo Headset
WH-1000XM4
Low sound quality
Turn down the volume of the connected device if it is too loud.
Keep the headset away from a microwave oven, wireless LAN device, etc.
Bring the headset closer to the Bluetooth device. Remove any obstacles between the
headset and the Bluetooth device.
Keep the headset away from a TV.
When playing music, if the headset and the transmitting Bluetooth device are connected
via an HFP or HSP Bluetooth connection, switch the Bluetooth connection to A2DP with
the connected device.
When using a video calling application on a computer, switch the Bluetooth connection to
HFP or HSP with the computer.
During a video call, sound quality may become low due to the conditions of the
communication line.
If you connect a device with a built-in radio or tuner to the headset, broadcasts may not
be received or the sensitivity may be reduced. Move the headset away from the
connected device.
If the headset connects to the previously connected Bluetooth device, the headset may
only establish the HFP/HSP Bluetooth connection when it is turned on. Use the
connected device to connect via an A2DP Bluetooth connection.
When listening to music from a computer on the headset, the sound quality may be poor
(e.g., difficult to hear the singer's voice, etc.) for the first few seconds after a connection
is established. This is due to the computer specifications (priority on stable connection at
the start of transmission and then switches to priority on sound quality several seconds
later) and is not a headset malfunction.
If the sound quality does not improve after a few seconds, use the computer to establish
an A2DP connection. As for the operations on your computer, refer to the operating
instructions supplied with the computer.
When [Connect to 2 devices simultaneously] is turned on with the "Sony | Headphones
Connect" app, LDAC cannot be used. If you want to use LDAC for music playback, turn
[Connect to 2 devices simultaneously] off.
https://helpguide.sony.net/mdr/wh1000xm4/v1/en/contents/TP0002752820.html
WH-1000XM4 | Help Guide | Low sound quality
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Summary of Contents for Sony WH-1000XM4

  • Page 1 A2DP connection. As for the operations on your computer, refer to the operating instructions supplied with the computer. When [Connect to 2 devices simultaneously] is turned on with the “Sony | Headphones Connect” app, LDAC cannot be used. If you want to use LDAC for music playback, turn [Connect to 2 devices simultaneously] off.
  • Page 2 29.08.22, 13:50 WH-1000XM4 | Help Guide | Low sound quality https://helpguide.sony.net/mdr/wh1000xm4/v1/en/contents/TP0002752820.html...
  • Page 3 29.08.22, 13:50 WH-1000XM4 | Help Guide | Sound skips frequently. Wireless Noise Canceling Stereo Headset WH-1000XM4 Sound skips frequently. Set the headset to “Priority on stable connection” mode. For details, see “About the sound quality mode”. Remove any obstacles between the antenna of the connecting Bluetooth device and the built-in antenna of the headset.
  • Page 4 29.08.22, 13:50 WH-1000XM4 | Help Guide | Sound skips frequently. If this headset is used within 10 m (30 feet) of a wireless LAN device, turn off the wireless LAN device. Use this headset and the Bluetooth device as near to each other as possible.
  • Page 5 29.08.22, 13:57 WH-1000XM4 | Help Guide | The available operating time is short (the duration of the battery is short). Wireless Noise Canceling Stereo Headset WH-1000XM4 The available operating time is short (the duration of the battery is short). When the Equalizer or DSEE Extreme function is used, the available operating time of the headset will be shorter.
  • Page 6 29.08.22, 13:52 WH-1000XM4 | Help Guide | The effect of noise canceling is not sufficient. Wireless Noise Canceling Stereo Headset WH-1000XM4 The effect of noise canceling is not sufficient. Make sure that the noise canceling function is turned on. Adjust the headset into a comfortable position.
  • Page 7 If the operation of the headset changes unintentionally, for example, ambient sound is heard suddenly, check the setting of [Ambient Sound Control] with the “Sony | Headphones Connect” app. If it is set to [Wind Noise Reduction] or [Ambient Sound], the effect of noise canceling is reduced.
  • Page 8 29.08.22, 13:52 WH-1000XM4 | Help Guide | Unable to make a Bluetooth connection. Wireless Noise Canceling Stereo Headset WH-1000XM4 Unable to make a Bluetooth connection. Check that the headset is turned on. Check that the Bluetooth device is turned on and the Bluetooth function is on.