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

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" },
});

// ...

audioCtx.sinkId;

• SetSinkId test example
• AudioContext.setSinkId()
• AudioContext.sinkId
• sinkchange