> For a complete index of all SignalWire documentation pages, fetch https://signalwire.com/docs/llms.txt

# inputAudioConstraints

> Default audio input track constraints.

```ts
get inputAudioConstraints(): MediaTrackConstraints | undefined
set inputAudioConstraints(value): void
```

Default audio input track constraints.

## **Parameters**

Constraints applied when acquiring audio input. Pass `undefined` to clear. See [`MediaTrackConstraints`](https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints).

## **Examples**

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