Can't adjust the headphone volume (WF-SP700N)

1. 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.

2. 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 the headphones and the connected device.

   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.

3. 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.

4. Reset the headphones.
   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.

5. Initialize the headphones.

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

   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