Article ID : 00231425 / Last Modified : 07/23/2023Print

How to check which Bluetooth codec is being used to connect devices, such as smartphones

    IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

    You can check with codec is being used by the smartphone using the Sony | Headphones Connect app. On the Headphones Connect Dashboard, check the display of the codec below the model name.

    This image shows an example of the Headphones Connect Dashboard screen using the WF-1000XM4 with LDAC codec selected:


    • The following codecs can be supported for music playback with an A2DP connection: SBC, AAC, aptX, aptX HD, and LDAC, etc. For details on which codecs are supported, refer to your model Help Guide. Manuals are posted on your model support page.
    • The codec being used to make a Bluetooth® connection differs depending on the type of device connected, the device operating system, software version, and device settings.