Volume imbalance between left and right sides, or insufficient bass sound in headband headphones.

• Test the headphones with different devices (phone, laptop, etc.).

• Try another app/source: Sometimes the audio source or app may have balance issues. 

WARNING! Liquid Ingression will damage or cause malfunction to the Headphones during charging. To prevent such damage, refer to this FAQ:
Protecting the Headphones from accidents or malfunction caused by water when charging. 

• Tip 1

  To avoid cracking or peeling of the earpads due to long term contact with bodily fluids e.g. sweat, hair oil or other body oil, always clean them by wiping it with dry soft tools such as cotton swabs, balls, or pads. Avoid using any sharp or potentially damaging materials or tools.

• Tip 2

  If the Headphones is particularly dirty, soak a cloth in diluted mild detergent, then wring it before wiping the surface of the Headphones.

  WARNING! Do not use solvents such as thinner, benzene, or alcohol when cleaning the earpads.

• Tip 3

  Always store your headphones in a case or protective bag when not in use.

  You can also view this video tutorial for how to care for your Headphones

  
  

  Tip: Learn how to turn captions on or off when watching Internet videos from YouTube

On your smartphone or computer, check if the audio balance is centered:

For Android:

• Go to Settings > Accessibility > Hearing > Audio balance.

For iPhone:

• Go to Settings > Accessibility > Audio/Visual > Balance.

For Windows (Windows 10/11):

• Go to Control Panel > Sound > Playback > Properties > Levels > Balance.

For macOS:

• Go to System Settings > Sound > Output > Balance.

1. Forget the device in your phone’s Bluetooth settings. How to delete the Bluetooth device information of your playback device.

2. Re-pair the Headphones: Refer to How to pair Bluetooth headphones with a Bluetooth source device

• Open the Sony | Sound Connect app.

• Disable any sound effects (e.g., EQ, surround sound) to see if they’re causing the issue.

1. Reset the headphones.

2. Initialize the headphones.