SONY Overseas Models For Customer Using Wireless Stereo Noise Canceling Headset, “ULT WEAR(WH-ULT900N)”.
Sony Overseas Models Support & Information

23 January 2025

Sony Corporation
Sony Marketing (Japan) Inc.
Sony Customer Service (Japan) Inc.

For Customer Using Wireless Stereo Noise Canceling Headset,
“ULT WEAR(WH-ULT900N)”.

Thank you for your continued interest in Sony products.

It has been found that cracks may occasionally occur on the rotating shaft in the joint between the headband and the headphone housing of the "ULT WEAR (WH-ULT900N)".
To address this, we will extend the warranty for products affected by this issue, until January 31, 2027.

We apologize for any inconvenience and thank you for your kind understanding and cooperation.

[Applicable Model Name]

ULT WEAR(WH-ULT900N)
Printed on product: YY2981

[Applicable Serial Number]

Color: “Black”
Serial Numbers: From 1000001 to 1046943
Color: “Off-White”
Serial Numbers: From 2000001 to 2027901
Color: “Forest Gray”
Serial Numbers: From 3000001 to 3025379

[How to check the model name and serial number]

The product model name is written on the inside of the headband of the left unit, and the product number is written on the inside of the hanger of the left unit.

[Determine if your headphones are affected]

A crack occurs at the point indicated by the arrow (the rotation axis of the headband), causing the headband and unit to come off.

[Free Repair Period]

Until January 31, 2027

[Resolution]

Customers who own products with affected serial numbers and on which this issue has occurred will be eligible for free repairs until January 31, 2027.