> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# preferredAudioOutput

> Preferred audio output device for new calls.

```ts
get preferredAudioOutput(): MediaDeviceInfo | null
set preferredAudioOutput(value): void
```

Preferred audio output device for new calls.

## **Parameters**

**`value`** `MediaDeviceInfo | null`

Preferred audio output device, or `null` to clear. See [`MediaDeviceInfo`](https://developer.mozilla.org/en-US/docs/Web/API/MediaDeviceInfo).

---

## **Examples**

```ts
console.log(client.preferences.preferredAudioOutput);
```