Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The AudioSinkInfo interface of the Web Audio API represents information describing an AudioContext's sink ID, retrieved via AudioContext.sinkId.

Instance properties

type Read only Experimental

Returns the type of the audio output device.


If a new AudioContext is created with a sinkId value of { type: 'none' }, calling AudioContext.sinkId later in the code will return a AudioSinkInfo object containing type: 'none'. This is currently the only value available.

audioCtx = new window.AudioContext({
  sinkId: { type: 'none' }

  // ...



Web Audio API
# AudioSinkInfo

Browser compatibility

BCD tables only load in the browser

See also