Article ID : 00276252 / Last Modified : 03/03/2022

Can't adjust the headphone volume (WF-C500)

    Follow these steps to troubleshoot this issue:

    1. Use the left unit button to adjust the volume.

      • To increase the volume: Press the button on the left unit once. The volume increases by 1 step.
      • To decrease the volume: Press and hold the button on the left unit. Continue to hold your finger to the button until you reach the desired volume level.
      The volume can be adjusted
      The headphones operations have resolved the issue.
      The volume can't be adjusted
      Go to the next troubleshooting step.
    2. Open the Sony | Headphones Connect app, and move the slide bar next to the speaker icon in the Status tab to increase or decrease the volume.

      The volume can be adjusted
      The volume level in the app may have been too high or too low. You may need to adjust the volume through the app in some situations.
      The volume can't be adjusted
      Go to the next troubleshooting step.
    3. Adjust the volume on the connected device.
      For details, refer to the device manual or support site for the manufacturer.

      Note: Depending on the connected device, the volume may not sync with the headphones. If you can't get the desired volume by adjusting the headphones or device volume only, adjust the volume on both devices.

      The volume can be adjusted
      You may need to adjust the volume on the device in some situations.
      The volume can't be adjusted
      Go to the next troubleshooting step.
    4. If the app has the volume settings, adjust the volume using those settings.

      The volume can be adjusted
      The issue was caused by the app settings.
      The volume can't be adjusted
      Go to the next troubleshooting step.
    5. Reset the headphones.
      Watch this video or refer to the Resetting the headphones page for instructions:


      The volume can be adjusted
      The issue may have been caused by a temporary malfunction.
      The volume can't be adjusted
      Go to the next troubleshooting step.
    6. Initialize the headphones.

      Note: Initialization returns the headphones to the factory settings and all Bluetooth® pairing information is deleted.

      Watch this video or refer to the Initializing the headphones page for instructions:


      The volume can be adjusted
      The issue may have been caused by a temporary malfunction.
      The volume can't be adjusted
      The headphones may be malfunctioning and require repair.  Go to Product Repair. 

    Go to the Headphones Troubleshooting Guide