HTMLMediaElement: sinkId property

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The HTMLMediaElement.sinkId read-only property of the Audio Output Devices API returns a string that is the unique ID of the device to be used for playing audio output.

This ID should be one of the MediaDeviceInfo.deviceId values returned from MediaDevices.enumerateDevices(), id-multimedia, or id-communications. If the user agent default device is being used, it returns an empty string.


A string indicating the current audio output device, or the empty string if the default user agent output device is being used.

Security requirements

Access to the property is subject to the following constraints:


Audio Output Devices API
# dom-htmlmediaelement-sinkid

Browser compatibility

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See also